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2019-2020 Biology Final Semester 1

Total questions: 66

Worksheet time: 1hrs 6mins

Name
Class
Date
1.

How many electrons does an atom of magnesium have?

a)

10

b)

11

c)

12

d)

24

2.

How many neutrons does an atom of magnesium have?

a)

10

b)

11

c)

12

d)

24

3.

How many electron shells does an atom of magnesium have?

a)

1

b)

2

c)

3

d)

4

4.

How many valence electrons does an atom of magnesium have?1

a)

1

b)

2

c)

3

d)

4

5.

Lewis makes sugar cookies with different amounts of sugar. He wants to see if cookies with more sugar sell better than cookies with less sugar. He counts the number of cookies sold to find out his answer. What is the dependent variable?

a)

Amount of sugar used

b)

Number of cookies sold

c)

Number of customers

6.

Lewis makes sugar cookies with different amounts of sugar. He wants to see if cookies with more sugar sell better than cookies with less sugar. He counts the number of cookies sold to find out his answer. What is the independent variable?

a)

Amount of sugar used

b)

Number of cookies sold

c)

Number of customers

7.

The number of living organisms that an environment can support

a)

keystone species

b)

carrying capacity

c)

limiting factors

d)

resilience

8.

The living components of an ecosystem

a)

abiotic factors

b)

biotic factors

c)

predator-prey

d)

parasitism

9.

What is the carrying capacity of the graph?

a)

1000

b)

8000

c)

800

d)

600

10.

What happens if a population grows past its carrying capacity?

a)

The population keeps growing

b)

The population starts to die off

c)

The entire species will go extinct

d)

The carrying capacity just increases

11.
What do you call all of the living things AND all of the non-living things together in the same environment?
a)
Population
b)
Community
c)
Ecosystem
d)
Biome
12.

The variation of life forms within an ecosystem or across the planet...

a)

population

b)

species

c)

organism

d)

biodiversity

13.

A species that kills and eats other organisms for food...

a)

predation

b)

prey

c)

predator

d)

parasitic

14.
The primary consumer would be which level on the energy pyramid? 
a)
1st 
b)
2nd
c)
3rd
d)
4th
15.
Where is energy the highest in the food chain: grass, rabbit, hawk, bacteria
a)
grass
b)
rabbit
c)
hawk
d)
bacteria
16.
Photosynthesis uses sunlight to convert water and carbon dioxide into
a)
oxygen
b)
glucose
c)
ATP & oxygen
d)
oxygen & glucose
17.

What is the ultimate source of energy for most organisms?

a)

The Sun

b)

The Earth

c)

Plants

d)

Producers

18.

What is 10% of 55,000?

a)

55,000

b)

5,500

c)

550

d)

55

19.

Kilocalories (kCal) is a measure of energy. If there are 1000 kCal available for the producers in feeding (trophic) level #1, how much energy is available for the secondary consumers feeding (trophic) level #3? (Hint: use the Rule of 10s)

a)

10 kCal

b)

1 kCal

c)

100 kCal

d)

1000 kCal

20.
Which organism recieves the least amount of energy from the producer?
a)
Owl
b)
Grasshopper
c)
Lilypad
d)
Mouse
21.
What is a hypothesis?
a)
A hypothesis is the right answer to an experiment.
b)
A hypothesis is the wrong answer to an experiment.
c)
A hypothesis is an educated guess.
d)
I don't know.
22.

Are these wings homologous, vestigial, or analogous structures?

a)

Homologous

b)

Vesitigial

c)

Analogous

23.
If an organism has a vestigial structure, that structure likely once had a function in a(n)
a)
close relative
b)
early ancestor
c)
unrelated organism
d)
embryological stage
24.
What is an example of a vestigial structure of a HUMAN?
a)
Femur
b)
Wisdom Teeth
c)
Brain
d)
Finger
25.

A German Shepard would probably not survive in the wild because...

a)

the dog is mixed

b)

the dog is a product of artificial selection and not adapted for the wild.

c)

the dog is a product of natural selection and is not well fit for the environment

26.

What is the definition of natural selection?

a)

The process in which genes are chosen by humans such as farmers and ranchers

b)

The process in which organisms are chosen by environmental pressures such as climate, available food, predators and habitat.

c)

If an organism changes during their life in order to adapt to its environment, those changes are passed on to its offspring.

d)

The process in which genes are chosen by scientist and academics.

27.

The phrase "Survival of the Fittest" would best describe...

a)

Natural Selection

b)

Artificial Selection

c)

Selective Breeding

d)

Inheritance of Acquired Characteristics

28.
Modern whales developed their traits through natural selection.  What occurs during the process of natural selection?
a)
Organisms choose mates from other species to create new species
b)
Breeders selectively cross organisms with desired traits
c)
Only the fittest organisms can survive and reproduce
d)
Organisms remain exactly the same over time.
29.

The trees these moths used to live on were white, but have been covered in soot from coal factories. Which moth will be more successful in this new, darker environment?

a)

Dark moth

b)

Light moth

c)

Both will be equally successful

d)

Neither will be successful

30.
What is the definition of mutation?
a)
A random change in the genes of an organism
b)
Natural Breeding
c)
Natural Selection 
d)
Breeding two animals to create a new one
31.
Artificial selection is...
a)
the process by which humans select who lives and dies based on traits of animal or plant.
b)
the process by which natures selects who lives and dies.
c)
the process by which animals adapt to their surroundings.
d)
the process by which people take over ecosystems.
32.
Which is an example of a trait that is an adaptation for cold climate but not for warm climate?
a)
thick fur and fat
b)
long claws
c)
camoflauge
d)
poisonous chemicals
33.
The law of superposition states
a)
the oldest rock layer is on the top, the younger rock layer is on the bottom
b)
rock layers are always in sequence from oldest to youngest
c)
the youngest rock layer is on the bottom and the oldest is on the top
d)
the oldest layer is on the bottom and the youngest is on the top when it is undisturbed
34.
What can help a scientist know the approximate age of bones?
a)
the soil it is found in
b)
the index fossils in the area
c)
the type of rock it is formed in
d)
absolute dating
35.
When a layer of rock cuts through the other layers
a)
the layer that cut through is younger than the layers it cuts through
b)
the layer at the bottom is younger
c)
the layers are the same age
d)
the index fossil is destroyed
36.
Ostrich wings are examples of
a)
homologous structures
b)
vestigial structures
c)
adaptations
d)
traits
37.
What would indicate that a series of fossils represent evolution?
a)
the fossils were identical
b)
the fossils were found in the same layers of rock
c)
the fossils show similarities
d)
the fossils were completely different
38.
Who was Charles Darwin?
a)
A naturalist who came up with the theory of evolution
b)
A scientist who studied plants
c)
A geologist who looked at rocks and fossils
d)
A paleontologist who studied dinosaurs
39.

What type of evidence is represented in the picture above:

a)

Fossils

b)

Vestigial Structures

c)

DNA

d)

Homologous Structures

40.
The diagram shows fossils in different rock layers. Which of these statements about the age of these fossils is most likely correct?
a)
Fossil A and C are the same age
b)
Fossil B is older than fossil C
c)
Fossils A is older than fossil B
d)
Fossil D is older than fossil C
41.
Why is the mouse population changing over time?
a)
The light mice can reproduce more successfully than the dark mice
b)
The hawks eat more dark mice than light mice because the dark mice taste better
c)
The hawks eat more light mice than dark mice because they can see the light mice more easily
d)
The hawks eat more dark mice than light mice because they can see the dark mice more easily
42.

Biogeography means...

a)

description of Earth's life

b)

living maps

c)

Earth's graphics interchange format

d)

climate of the Earth

43.
Giraffes evolve by stretching their necks to reach higher leaves.
a)
True
b)
False
44.

What is the independent variable?

a)

atomic number

b)

electron volts

c)

first ionization energy

d)

Jim Askew's Graph

45.
What type of graph is this?
a)
Bar Graph
b)
Histogram
c)
Line Plot
46.
What does biodiversity mean?
a)
Only one species in an area.
b)
The different amount of species in an area
c)
All abiotic life
d)
Nitrogen fixation
47.
 Which biome is more likely to survive a change in the environment?
a)
High (rich) biodiversity
b)
Low (poor) biodiversity
48.
What is formed during primary succession that doesn't need to be formed during secondary succession?
a)
pioneer species
b)
soil
c)
climax community
d)
lichens
49.
After a forest fire, an ecosystem would start regrowth through -
a)
primary succession
b)
secondary succession
c)
climax community
d)
limiting factors
50.
succession that occurs in an area with no soil
a)
ecological succession 
b)
primary succession 
c)
secondary succession
d)
pioneer speciles
51.
Use the diagram to answer the question.
The Mayfly is a food source for which 3 organisms?
a)
Frog, Dragon Fly and snake
b)
Frog, trout and dragon fly
c)
Frog, salamander and trout
d)
Frog and phytoplankton
52.
What is another name for producer?
a)
consumer
b)
herbivore
c)
autotroph
d)
lichen
53.
In this image, the information in red is called the_______.
a)
Products
b)
Reactants
c)
Chemical Subscript
d)
Ingredients
54.
How many ATOMS of Carbon are in 3C2H4O
a)
2
b)
3
c)
4
d)
6
55.
Is the following equation balanced or unbalanced ? 
Al + O2 --> Al2O3
a)
Balanced
b)
Unbalanced
56.

This volcano is an example of something you would find in the:

a)

Atmosphere

b)

Biosphere

c)

Hydrosphere

d)

Lithosphere

57.

When carbon dioxide dissolves from the air into the ocean- the interaction is between...

a)

The atmosphere and lithosphere

b)

The atmosphere and hydrosphere

c)

The atmosphere and biosphere

d)

The atmosphere and atmosphere

58.

In which eukaryotic organelles does photosynthesis occur?

a)

mitochondria

b)

stomata

c)

xylem

d)

chloroplast

59.
Autotroph or heterotroph?
a)
Autotroph
b)
Heterotroph
60.
How is the energy stored after the process of photosynthesis?
a)
light energy
b)
the energy in chemical bonds
c)
heat energy
61.
What is the function of ATP in living things?
a)
provides energy for cells
b)
stores genetic information
c)
provides structure in the nucleus
62.
Which structures shown in the Figure make up the ADP molecule?
a)
A and B
b)
A, B and C
c)
A, B, C, and D
d)
C and D
63.
Which bond of the ATP molecule is broken in order to release energy?
a)
A
b)
B
c)
C
d)
D
64.

The main function of stomata is to

a)

capture sunlight

b)

protect leaves from insects

c)

allow gases to move rapidly in/out of leaves

d)

release sugars into the atmosphere

65.
Which rock layer contains the newest fossils?
a)
F
b)
E
c)
B
d)
C
66.
Which fossil makes the best index fossil?
a)
Fossil 1
b)
Fossil 2
c)
Fossil 3
d)
None follow all of the rules

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