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Semester 1 HMH Biology Review

Total questions: 169

Worksheet time: 3hrs 16mins

Name
Class
Date
1.

Maintaining stable internal conditions despite changes in the external environment

a)

Homeostasis

b)

Metabolism

c)

Protein Synthesis

d)

Adaptation

2.

An individual living thing

a)

Species

b)

Ecosystem

c)

Population

d)

Organism

3.

The basic unit of life

a)

Bacteria

b)

Cell

c)

Virus

d)

Molecule

4.

A group of related parts that work together as a whole

a)

System

b)

Population

c)

Organism

d)

Homeostasis

5.

the living factors in an organism's environment

a)

abiotic factors

b)

biotic factors

c)

ecology

d)

organic matter

6.

nonliving factors in an organism's environment

a)

biotic

b)

abiotic

c)

heterotrophs

d)

autotrophs

7.

_____ cells have a membrane bound organelles and a nucleus Ex. ________

a)

Eukaryotic, bacteria

b)

Eukaryotic, nuclei

c)

Eukaryotic, mushrooms

d)

Prokaryotic, pseudopods

8.
Proteins are made in the _____ (dots) which are found in both eukaryotes and prokaryotes.
a)
mitochondrion
b)
chloroplasts
c)
nucleus
d)
ribosomes
9.

The ______ _____ surrounds the cell and maintains _________________.

a)

cell membrane, protein synthesis

b)

cell membrane, respiration

c)

cell membrane, homeostasis

d)

plasma membrane, photosynthesis

10.

The _____ functions in controlling all cell activities and contains the DNA.

a)

cell membrane

b)

mitochondria

c)

chloroplasts

d)

nucleus

11.
 Energy for the cell is produced in the _____. 
a)
chloroplast
b)
ribosome
c)
mitochondria
d)
nucleus
12.
 _____ liquid material of the cell, contains organelles.
a)
chloroplast
b)
cytoplasm
c)
lysosomes
d)
cytoskeleton
13.
_____ provide storage of excess materials.
a)
nucleus
b)
vessicles
c)
ribosomes
d)
vacuoles
14.
The ___ ____ is a layer of protection and support that can be found in all organisms except __.
a)
cell membrane, protists
b)
cell wall, animals
c)
Large central vacuole. bacteria
d)
lysosomes, plants
15.

The two kinds of cells are Prokaryotes and Eukaryotes. How are they different?

a)

Prokaryotes have a nucleus and membrane bound organelles

b)

Eukaryotes have a nucleus and membrane bound organelles

c)

Prokaryotes are plant cells.

d)

There is no difference.

16.

Which of the these characteristics is shared by all living things

a)

they are made up of one or more cells

b)

they make their own chemical energy

c)

they have similar response to light

d)

they reproduce when one cell divides into two

17.

At all levels of life, when related parts interact to form a whole they form a

a)

biosphere

b)

species

c)

cell

d)

system

18.
 A group of cells that have similar functions? Examples are nervous, epithelial, muscle and connective
a)
cells
b)
tissues
c)
organs
d)
atoms
19.
Organs that work together to perform a related function is called _____________?
a)
cells
b)
tissues 
c)
organ system
d)
organs
20.
The lungs and the kidneys are examples of
a)
cells
b)
organs
c)
tissues
d)
organ systmes
21.
What are the biotic factors in this image?
a)
sunlight, elephants, and grasses
b)
sunlight, water,  and air
c)
elephants, plants, trees 
22.
Homeostasis in the human body is often maintained by a: 
a)
neutral feedback loop 
b)
solar feedback loop
c)
positive feedback loop
d)
negative feedback loop
23.
What type of feedback loop is shown?
a)
Positive
b)
Neutral
c)
Negative
24.
What type of feedback loop is shown?
a)
negative
b)
neutral 
c)
positive
25.
Mount Everest is:
a)
Atmosphere
b)
Biosphere
c)
Geosphere
d)
Hydrosphere
26.
The part of the earth that contains living organisms.
a)
Hydrosphere
b)
Biosphere
c)
Atmosphere
d)
Geosphere
27.
The sphere that contains all of the earth's water.
a)
Atmosphere
b)
Biosphere
c)
Hydrosphere
d)
Geosphere
28.
The thin envelope of gases forming Earth's outermost layer.
a)
Hemisphere
b)
Biosphere
c)
Atmosphere
d)
Hydrosphere
29.
Which sphere of the Earth system includes tree, grasses, and squirrels?
a)
Atmosphere
b)
Geosphere
c)
Biosphere
d)
Hydrosphere
30.
All living things on earth are part of the....
a)
Biosphere
b)
Geosphere
c)
Hydrosphere
d)
Cryosphere
31.
What is another word that can be used to describe "homeostasis"?
a)
STABLE
b)
EQUAL
c)
COMPLETE
d)
CORRECT
32.

An example of a negative feedback loop is

a)

Blood glucose regulation

b)

Blood pressure regulation

c)

Thermoregulation

d)

All of the above

33.

An example of a positive feedback loop is ____________.

a)

Childbirth

b)

Blood Pressure regulation

c)

Thermoregulation

d)

All of the above

34.
Proteins are made of monomers called ___________
a)
Nucleotides
b)
Monosaccharides
c)
Amino Acids
d)
Glycerol and fatty acids
35.
The element _______is found in all of the organic compounds.
a)
Iron
b)
Nitrogen
c)
Carbon
d)
Oxygen
36.
_________ are composed out of carbon (C), hydrogen (H), oxygen (O), nitrogen (N), and phosphorus (P)
a)
Carbohydrates
b)
Lipids
c)
Proteins
d)
Nucleic Acids
37.
DNA and RNA are examples of 
a)
Carbohydrates
b)
Lipids
c)
Proteins
d)
Nucleic Acids
38.
Nucleotides are monomers of
a)
Carbohydrates
b)
Lipids
c)
Proteins
d)
Nucleic Acids
39.
Monosaccharides are monomers of
a)
Carbohydrates
b)
Lipids
c)
Proteins
d)
Nucleic Acids
40.
Waxes, oils and fats are examples of
a)
Carbohydrates
b)
Lipids
c)
Proteins
d)
Nucleic Acids
41.
Which macromolecule is shown?
 View Figure 1 (if not visible)
a)
lipid
b)
protein
c)
nucleic acid
d)
carbohydrate
42.
Which macromolecule is shown?
 View Figure 2 (if not visible)
a)
lipid
b)
protein
c)
nucleic acid
d)
carbohydrate
43.
Which macromolecule is shown?
 View Figure 3 (if not visible)
a)
lipid
b)
protein
c)
nucleic acid
d)
carbohydrate
44.
Which macromolecule is shown?
 View Figure 4 (if not visible)
a)
lipid
b)
protein
c)
nucleic acid
d)
carbohydrate
45.
What type of macromolecule are enzymes?
a)
Protein
b)
Carbohydrate
c)
Lipid
d)
Nucleic Acid
46.
Carbohydrates are made of... 
a)
C H O
b)
C H O N
c)
C H O N P
d)
C H O N S
47.
What are the four macromolecules?
a)
proteins, nucleic acids, carbohydrates, and lipids
b)
monosaccharides, lipids, polysaccaharides, and proteins
c)
RNA, DNA, proteins, and carbohydrates
d)
proteins, DNA, RNA, and steroids
48.
What word describes when water is attracted to other substances?
a)
cohesion
b)
adhesion
c)
capillary action
d)
surface tension
49.
tendency of molecules of the same kind to stick to one another
a)
cohesion
b)
adhesion
c)
solution
d)
polar molecule
50.
A molecule with electrically charged areas is called a _______________.
a)
magnet
b)
polar molecule
c)
solution
d)
electrical molecule
51.
Which end of the water molecule has a slightly positive charge?
a)
the oxygen end
b)
the hydrogen end
c)
both ends are slightly positive
d)
neither end is positive
52.
Which of the following can be compared to a battery in need of recharging?  (empty wallet)
a)
ADP
b)
ATP
c)
Ribose
d)
Adenosine
53.
What are the parts of the ATP molecule?
a)
adenine, thylakoids, stroma
b)
stroma, grana, chlorophyll
c)
adenine, ribose, phosphate groups
d)
NADH, NAHPH, FADH
54.
Which bond of the ATP molecule is broken in order to release energy?
a)
A
b)
B
c)
C
d)
D
55.

What will ATP become when it loses a phosphate?

a)

Adenosine Monophosphate

b)

Adenosine Triphosphate

c)

Adenosine Diphosphate

56.

Which of the following is the correct structure of ATP?

a)
b)
c)
d)
57.
How do enzymes speed up chemical reaction?
a)
Increasing activation energy
b)
Decreasing activation energy
c)
Increasing deactivation energy
d)
Decreasing deactivation energy
58.
What is a substance called if it speeds up a chemical reaction?
a)
reusable
b)
catalyst
c)
specific
d)
fragile
59.
The graph shows how enzymes affect reactions in cells. Which statement best summarizes the information shown in the graph?
a)
Enzymes increase the energy of the reactants.
b)
Enzymes decrease the energy level of the products.
c)
Enzyme decrease the activation energy of the reaction.
d)
Enzymes reverse the direction of the reaction.
60.

Active transport is the movement of large materials across a cell membrane from ______ to ______ concentration

a)

high to low

b)

low to high

c)

high to high

d)

low to low

61.

Active transport across a cell membrane from low to high concentration, requires

a)

energy (ATP)

b)

no energy

c)

water

d)

oxygen

62.
What is the difference between active and passive transport?
a)
Active does not need energy and passive uses ATP (energy)
b)
Active uses ATP (energy) and passive does not need energy
c)
Active stores transport proteins and passive releases 
d)
Active uses hormones and passive does not 
63.
Movement of particles through the cell membrane from high to low
a)
passive transport
b)
active transport
c)
facilitated diffusion
d)
osmosis 
64.
How many bonds does carbon make?
a)
1
b)
4
c)
6
d)
12
65.
Carbon's unique ability to form so many compounds comes from what two properties?
a)
It can form two bonds and can bond to any other element.
b)
It can form four bonds and can bond to itself.
c)
It can form six bonds and can bond to itself.
66.

Which molecule is the primary source of energy for animals?

a)

proteins

b)

carbohydrates

c)

lipids

d)

DNA

67.

The compound HCl releases hydrogen ions (H+) in water. What type of compound is HCl?

a)

An acid

b)

a base

c)

a buffer

d)

a salt

68.

The chemical element most important in organic substances is

a)

calcium

b)

carbon

c)

oxygen

d)

nitrogen

69.

Which of the following is not a carbohydrate?

a)

glucose

b)

proteins

c)

glycogen

d)

starch

70.

Denaturation of an enzyme will occur due to which factor

a)

increased temperature

b)

increased cell pH

c)

increased bonding with another enzyme

d)

temperature and pH

71.

A molecule containing a peptide bond is called

a)

a carbohydrate

b)

a lipid

c)

a nucleic acid

d)

a protein

72.
Most plants appear green because chlorophyll
a)
absorbs green light.
b)
absorbs violet light.
c)
reflects green light.
d)
does not absorb violet light.
73.
The reactants of photosynthesis are
a)
sugar and water.
b)
sugar and oxygen.
c)
carbon dioxide and water.
d)
carbon dioxide and oxygen.
74.

Which of the following is the correct equation for PHOTOSYNTHESIS?

(Assume that the arrow also includes light energy and enzymes.)

a)

6CO2 + 6H2O --> 6O2 + C6H12O6

b)

6CO2 + C6H12O6 + 6H2O --> O2

c)

6O2 + 6H2O --> 6CO2 + C6H12O6

d)

C6H12O6+ 6O2 ---> 6H2O + 6CO2

75.
Which gas is removed from the atmosphere during photosynthesis?
a)
hydrogen
b)
oxygen
c)
nitrogen
d)
carbon dioxide
76.
Which of the following is NOT a product of the light-dependent reactions?
a)
ATP
b)
NADPH
c)
Oxygen
d)
Glucose
77.
Which substance from the light-dependent reactions of photosynthesis is a source of energy for the light-independent reactions?
a)
ADP
b)
H2O
c)
NADPH
d)
pyruvic acid
78.
Plants need carbon dioxide from their environment to produce glucose during which stage of photosynthesis? 
a)
The light-dependent stage
b)
The light-independent stage (The Calvin Cycle)
c)
The electron transport chain
d)
ATP formation
79.
What 2 things does a plant make during photosynthesis?
a)
oxygen, glucose
b)
glucose, carbon dioxide
c)
useable energy, glucose
d)
oxygen, carbon dioxide
80.
How many sugar molecules are produced from every six molecules of carbon dioxide that enter the Calvin cycle?
a)
1
b)
3
c)
6
d)
12
81.

Why do living things need nitrogen?

a)

To get energy

b)

To make amino acids

c)

To make proteins

d)

To make proteins AND amino acids

82.
Where are nitrogen-fixing bacteria found?
a)
In the soil
b)
Root nodules
c)
In dead things
d)
In the atmosphere
83.
What is the only process that removes carbon from the atmosphere?
a)
combustion
b)
cellular respiration
c)
photosynthesis
d)
decomposition
84.
Where is carbon stored in the environment?
a)
Fossil fuels
b)
Wood of trees
c)
Calcium carbonate (shells and bones)
d)
All of the above
85.
What 3 things are made during cellular respiration?
a)
useable energy, water, glucose
b)
glucose, water, carbon dioxide
c)
oxygen, carbon dioxide, glucose
d)
carbon dioxide, water, useable energy
86.

Which one of these does not add CO2 to the atmosphere?

a)

cooking with gas

b)

planting trees

c)

burning wood

d)

riding in a bus

87.
What does not produce carbon dioxide?
a)
Photosynthesis
b)
Burning Fossil Fuels
c)
Animal respiration
d)
Plants decaying
88.
How much of the atmosphere is composed of nitrogen gas?
a)
87%
b)
38%
c)
78%
d)
21%
89.
How do plants get the nitrogen they need?
a)
from the air
b)
from the soil or water in which they live
c)
from the Sun
d)
from broken-down rocks
90.

All living things do which of the following?

a)

Chemosynthesis

b)

Cellular respiration

c)

photosynthesis

d)

all of the answers

91.
What is one of the reactants of cellular respiration?
a)
energy
b)
glucose
c)
carbon dioxide
d)
water
92.
These gases, such as carbon dioxide, trap heat in the Earth's atmosphere causing global warming
a)
Global warming gases
b)
Hot House gases
c)
Green House gases
d)
Thermal pollution
93.
Growing legumes such as alfalfa or soy beans increases
a)
denitrification
b)
nitrogen fixation
c)
ammonification
d)
ammonium oxidation
94.
Carbon dioxide is added to the atmosphere by
a)
Burning fossil fuels 
b)
Cellular respiration
c)
Decomposing organic matter
d)
All answers are correct
95.
The movement of matter through biotic (biosphere) and abiotic (geosphere, atmosphere and hydrosphere) environment is called ___
a)
matter cycling
b)
biogeochemical cycle
c)
photosynthesis
d)
carbon fixation
96.
Identify the cycle pictured.
a)
The Water cycle
b)
The Carbon cycle
c)
The Nitrogen cycle
d)
The Phosphorus cycle.
97.
What is happening at 1?
a)
respiration: releasing CO2
b)
decomposing COin the soil
c)
photosynthesis: absorbing CO2
d)
turning CO2 from the atmosphere into organic molecules
98.
Lactic acid fermentation occurs in your muscles after a workout because your cells are struggling to get...
a)
Glucose
b)
Sunlight
c)
Oxygen
d)
Water
99.
When respiration occurs with oxygen, it is called _______
a)
anaerobic
b)
aerobic
c)
light-dependent
d)
fermentation
100.
The process carried out by yeast that causes bread to rise is
a)
alcoholic fermentation
b)
lactic acid fermentation
c)
cellular respiration
d)
yeast mitosis
101.
What is a disadvantage of fermentation as a process? 
a)
It produces too much ATP
b)
It only produces 2 ATP
c)
It occurs in the absence of oxygen
d)
It is only for quick bursts of energy
102.
Because fermentation takes place in the absence of oxygen, it is said to be
a)
aerobic
b)
anaerobic
c)
cyclic
d)
oxygen-rich
103.
During glycolysis, a glucose enters the cytoplasm and breaks in half to form ______. 
a)
nicotine
b)
2 pyruvic acids
c)
ADP
d)
mitochondria
104.

A weightlifter is using heavy weights in short bursts for a competition. Because his muscle cells are not able to take in enough oxygen to make very much ATP the weightlifter begins to get fatigue in his muscles. Which of the following processes is most likely going on in the muscles of the weightlifter as he competes in his event?

a)

As the cells run out of oxygen they switch to anaerobic respiration (fermentation), which allows the cell to make small amounts of ATP in the absence of oxygen.

b)

As the cells run out of oxygen, they die off gradually and the weightlifter's muscles have fewer contracting muscle cells.

c)

The cells will never run out of oxygen if the weightlifter is breathing.

d)

As the cells run out of oxygen, they will continue to make the same amount of ATP, since oxygen is not required to make ATP.

105.

What is the correct equation for cellular respiration?

a)

6CO2 + 6H2O + Energy -> 6O2 + C6H12O6

b)

6O2 + C6H12O6 + Energy -> 6CO2 + 6H2O

c)

6CO2 + 6H2O -> 6O2 + C6H12O6 + Energy

d)

6O2 + C6H12O6 -> 6CO2 + 6H2O + Energy

106.
Cellular Respiration's goal is to
a)
make water
b)
make ATP
c)
make glucose
d)
make  oxygen
107.

Which of the following shows the three stages of respiration in the correct order?

a)

Calvin Cycle, Glycolysis, Electron Transport Chain

b)

Glycolysis, Krebs Cycle, Electron Transport Chain

c)

Glucose, Krebs Cycle, Electron Transport Chain

d)

Glycolysis, Calvin Cycle, Electron Transport Chain

108.
An organism that needs to eat other organisms to obtain energy is known as a:
a)
Autotroph
b)
Producer
c)
Consumer
d)
Mutualist
109.
An organism that uses sunlight to create its own food is known as a:
a)
Producer
b)
Heterotroph
c)
Consumer
d)
Decomposer
110.
What does a food chain represent?
a)
How all living organisms within a habitat are connected.
b)
All of the things that a particular animal eats.
c)
How plants create their own food.
d)
A single path of energy transfer within a habitat.
111.
The arrows in a food chain or web represents what?
a)
They point to the organism that is being eaten.
b)
It shows how sunlight flows within an ecosystem.
c)
They show what direction the energy is flowing between organisms. 
d)
They represent how water is transferred within a habitat.
112.
An energy pyramid represents what?
a)
How much sunlight is available for the ecosystem to use. 
b)
How much energy a particular organism needs. 
c)
How much energy is needed to build a pyramid. 
d)
The amount of energy available to the next 'feeder' in a food web.
113.
The largest group of organisms found in a food web would be:
a)
Primary Consumers
b)
Producers
c)
Decomposers
d)
Tertiary Consumers
114.
The rabbit in this food web would be considered a:
a)
Decomposer
b)
Producer
c)
Secondary Consumer
d)
Primary Consumer
115.
The fox in this food web would be considered a:
a)
Tertiary Consumer
b)
Producer
c)
Secondary Consumer
d)
Primary Consumer
116.
In aquatic ecosystems, biomass is least at which trophic level?
a)
autotrophs
b)
herbivores
c)
carnivores
117.
In the energy pyramid here, how much of the energy in each level gets lost as heat or used by the organism for survival?
a)
80%
b)
90%
c)
10%
d)
20%
118.

Bacterias that decompose dead plants release _____________ back into the atmosphere.

a)

water

b)

nitrogen

c)

oxygen

d)

carbon

119.

The removal of forests around the world has a negative effect on the global carbon cycle. Which of the following effects to the carbon cycle would be caused by deforestation?

a)

Increased levels of atmospheric CO2

b)

Reduced rates of decomposition by bacteria

c)

A reduction in available solar energy

120.

Under ideal conditions with unlimited resources, a population will grow _________________.

a)

diversely

b)

expectantly

c)

density

d)

exponentially

121.

Choose 2 density-dependent limiting factors:

a)

competition

b)

unusual weather

c)

parasitism

d)

natural disasters

122.

Carrying capacity

a)

the maximum population growth rate under ideal conditions

b)

the change in the population size per individual per unit time

c)

the maximum population size that can be supported by an ecosystem.

d)

the members of a species that live in an ecosystem and have the potential to reproduce.

123.

Succession that occurs in an area with no soil

a)

ecological succession

b)

primary succession

c)

secondary succession

d)

pioneer species

124.
As a population grows, it will most likely stop growing at what size?
a)
Growth limit
b)
Exponential limit
c)
Carrying Capacity
d)
It won't stop growing
125.
The carrying capacity of an environment for a particular species at a particular time is determined by the
a)
number of individuals in the species.
b)
distribution of the population.
c)
reproductive potential of the species.
d)
supply of the most limited resources
126.

The first organisms that appear in an ecological community

a)

ecological succession

b)

primary succession

c)

secondary succession

d)

pioneer speciles

127.
What will happen to the population when the death rate is larger than the birth rate?
a)
grow
b)
shrink
c)
stay the same
d)
None of these
128.
How do lichens contribute to primary succession?
a)
Lichens decompose organic matter from animals and plants
b)
Lichens begin to break down rock to form soil
c)
Lichens are nitrogen fixing bacteria
129.

A population is...

a)

A group of the same species living in the same area

b)

Multiple species that live in one area

c)

All of the living and nonliving things in an area

d)

None of these

130.
The picture shows what type of succession?
a)
primary
b)
secondary
c)
tertiary
d)
quadanary
131.
What does the graph represent?
a)
Emigration
b)
Exponential growth
c)
Immigration
d)
Logistic Growth
132.
The picture shows what type of succession?
a)
primary
b)
secondary
c)
tertiary
d)
quadanary
133.

An environmental factor such as storms and extreme heat or cold that affects all populations regardless of their size.

a)

density- dependent factor

b)

population density

c)

dispersion

d)

density- independent factor

134.

What is Density-dependent factor?

a)

All the inhabitants of a particular town, area, or country.

b)

A measurement of population per unit area or unit volume; it is a quantity of type number density.

c)

The number of people, other living organisms, or crops that a region can support without environmental degradation.

d)

factors whose effects on the size or growth of the population vary with the population density.

135.

What is Density-independent factor?

a)

Selection occurring when a population is at or near the carrying capacity of the environment. Slow maturation, slow reproduction, slow population growth

b)

affects all populations regardless of their size

c)

Species that adapt to unstable and unpredictable environment. rapid growth, short life span, and population growth.

136.

What is Succession?

a)

A nonliving condition or thing, as climate or habitat, that influences or affects an ecosystem and the organisms in it

b)

living components of an ecosystem. They are sorted into three groups: producers or autotrophs, consumers or heterotrophs, and decomposers or detritivores.

c)

the process by which the structure of a biological community evolves over time. Two different types of succession—primary and secondary—have been distinguished

d)

organisms that can make their own energy through biochemical processes, which are just processes in living things that involve chemical reactions.

137.

The number of individuals per unit area

a)

Population distribution

b)

Population density

c)

Survivorship type 1

d)

Survivorship type 2

138.
Organisms that have heavy predation usually use this means for population dispersion.
a)
clumped
b)
uniform
c)
random
d)
 v-formation
139.

Large mammals show this type of survivorship?

a)

Type 1

b)

Type 2

c)

Type 3

d)

Type 4

140.

Organisms that have a high birth rate, but do not have many young that survive to adulthood represent which type of survivorship curve?

a)

Type 1

b)

Type 2

c)

Type 3

d)

None of the above

141.
What are the problems associated with an area of densely populated individuals.?
a)
Disease spreads more quickly
b)
Competition for food may be higher
c)
Competition for space may be higher
d)
All of the above
142.

A group of individuals that interbreed and produce fertile offspring

a)

individual

b)

species

c)

population

d)

community

143.

All of the populations in the same area are called _________?

a)

biosphere

b)

ecosystem

c)

community

d)

population

e)

organism

144.

Describes how organisms are arranged within an area.

a)

population

b)

population size

c)

population density

d)

population distribution

145.

An environmental factor such as storms and extreme heat or cold that affects populations regardless of their density.

a)

density- dependent factor

b)

population density

c)

dispersion

d)

density- independent factor

146.
Any factor that limits population growth
a)
Limiting Factor
b)
Immigration
c)
Succession
d)
Abiotic Factor
147.

How do predator prey relationships affect a population?

a)

They are in competition with each other

b)

One will go extinct

c)

Predators have exponential growth

d)

Controls size of both populations

148.

When a population has reached carrying capacity

a)

growth & immigration are equal to death & emigration

b)

growth & immigration are less than death & emigration

c)

growth & immigration are greater than death & emigration

d)

Growth is exponential

149.

What type of limiting factor would a change in the number of predators be classified as?

a)

Density-independent

b)

Density-dependent

150.

An Earthquake-related tsunami would be what type of limiting factor?

a)

Density-independent

b)

Density-dependent

151.

When a population reaches its carrying capacity______.

a)

The birth rate is greater than the death rate

b)

The birth rate is less than the death rate

c)

The birth rate and death rate flucuate around the same amount

152.

According to the graph, what is causing the deer population to decrease?

a)

They got sick.

b)

The wolf population is decreasing.

c)

The wolf population increased.

d)

Nothing, it's a coincidence.

153.
If the number of births is greater than the number of deaths in a population, what will happen to the growth of the population?
a)
It will increase.
b)
It will decrease.
c)
It will stay the same.
d)
It will fluctuate.
154.

When a population grows past the ecosystem's carrying capacity, what happens to the population?

a)

The population continues to grow.

b)

The population starts to die off to return to carrying capacity.

c)

The population will go extinct due to lack of resources.

d)

The population grows until a new carrying capacity is reached.

155.
Natural disasters and weather patterns like earthquakes, floods, and tornadoes, blizzards, and heatwaves are considered ___________ ____________ limiting factors
a)
Density-dependent
b)
Density-independent
156.
Which of the following is a density-independent limiting factor?
a)
disease
b)
emigration
c)
earthquake
d)
parasitism
157.
What factor describes when populations increase because animals are moving into a population?
a)
Emigration
b)
Limiting Factors
c)
Immigration
d)
Exponential Growth
158.
No two species can occupy the same niche
a)
Competitive Exclusion Principle 
b)
Limiting Exclusion Theory
c)
Competitive Limiting Principle
d)
Limiting Competitive Theory 
159.
All of the following are limiting factors EXCEPT
a)
immigration
b)
competition
c)
drought
d)
predation
160.
Which would be least likely to be affected by a density-dependent limiting factor?
a)
a population with a high immigration rate
b)
A large, dense population
c)
a small, scattered population
d)
a population with a high birthrate
161.

The ability of an ecosystem to recover after it has undergone a disturbance

a)

resilience

b)

resistance

c)

population dynamics

d)

dispersion

162.

Ability of an ecosystem to resist change from a disturbance

a)

resilience

b)

resistance

c)

population dynamics

d)

dispersion

163.

Which of these is not an example of symbiosis?

a)

mutualism

b)

commensalism

c)

parasitism

d)

competition

164.

A species has an especially strong effect on an ecosystem.

a)

keystone species

b)

primary consumer

c)

ecological niche

d)

symbiosis

165.

As bees are taking nectar from flowers, they are also pollinating the flowers.

a)

commensalism

b)

mutualism

c)

parasitism

d)

competition

166.

One organism benefits and the other organism is neither helped nor harmed.

a)

commensalism

b)

mutualism

c)

parasitism

167.

A tick that feeds on the blood of mammals.

a)

commensalism

b)

mutualism

c)

parasitism

168.

One organisms captures and feeds upon another organism.

a)

commensalism

b)

parasitism

c)

predation

d)

mutualism

169.

Two organisms compete for the same limited resources

a)

predation

b)

collaboration

c)

parasitism

d)

competition