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3rd Nine weeks exam

Total questions: 152

Worksheet time: 4hrs 7mins

Name
Class
Date
1.

Looking at the chart below what type of organism is the Alaskan brown bear?

a)

Carnivore

b)

Herbivore

c)

Omnivore

d)

Decomposer

2.

Which of the following has the largest population in the Indian River Lagoon system?

a)

Crab

b)

Egret

c)

Flounder

d)

Phytoplankton

3.

In the Indian River Lagoon System, many organisms compete for food. Which organism in the food web competes with the egrets for food?

a)

Clam worm

b)

Crab

c)

Flounder

d)

Heron

4.

How much energy will be available for the flounder if the plankton at the bottom of this pyramid is able to produce 10,000 kcal of energy from the photosynthesis?

a)

1000

b)

100

c)

10

d)

1

5.

What is the primary source of energy for the ecosystem pictured above?

a)

Grass and Green plants

b)

Hawks and Deer

c)

Tadpoles and Fish

d)

Sun

6.

Observe the food chain below. What would be the result of disease killing off most of the mouse population?

a)

All populations would be relatively unaffected

b)

The grasshoppers would become extinct

c)

The grasshopper population would decrease; the owl population would increase

d)

The grasshopper population would increase and the owl population would decrease

7.
In a particular ecosystem, a white-tailed deer feeds on branches from a red oak tree. Gypsy moth caterpillars also feed on the leaves of the oak tree. Acorns from the tree fall to the soil. Those acorns that take root grow into new oak trees over time. Which of the following is an abiotic factor in this ecosystem?
a)
Type of Soil
b)
Species of Caterpillar
c)
Number of Trees
d)
Species of Deer
8.

Which of the following is a tertiary consumer from the food web shown?

a)

Kite

b)

Owl

c)

Jackal

d)

Tree

9.

Which two organisms compete for the rabbit for energy?

a)

Mouse and Tree

b)

Owl and Goat

c)

Wildcat and Jackal

d)

Lion and Jackal

10.

A new species of hawk that feeds on snakes was introduced to this ecosystem. What is going to happen to the Kite population now that they are competing for snakes with the hawk?

a)

The kite population will increase.

b)

The hawks will have no influence on the population of kites because they have more food to eat.

c)

The kite will become better adapted to the environment.

d)

The kite population will decrease because they are now competing for food with the hawk.

11.

In this food web, which of the following organisms eats the largest variety of different producers?

a)

Mouse

b)

Grasshopper

c)

Dragonfly

d)

Butterfly

12.

Which type of interaction exists between shrimp and blue crabs in this food web?

a)

Blue crabs prey on shrimp.

b)

Shrimp compete with blue crabs for food.

c)

Shrimp help blue crabs filter polluted water.

d)

Shrimp decompose matter for blue crabs.

13.

An autotroph can also be called a

a)

animal.

b)

consumer.

c)

heterotroph.

d)

producer.

14.

An example of a producer is a

a)

fungus.

b)

animal.

c)

plant.

d)

person.

15.

An example of a consumer is a(n)

a)

oak tree.

b)

dog.

c)

algae.

d)

phytoplankton.

16.

The levels of nourishment in a food chain are called

a)

pyramids of numbers.

b)

trophic levels.

c)

food phases.

d)

biomagnitudes.

17.

In the food chain pictured, what type of organism is the bird?

a)

producer

b)

primary consumer

c)

secondary consumer

d)

tertiary consumer

18.
An organism that lives by breaking apart dead organic matter into simpler parts is...
a)
scavenger
b)
consumer
c)
decomposer
d)
carnivore
19.
What does a Primary Consumer eat?
a)
Tertiary Consumers
b)
Secondary Consumers
c)
Producers
20.
A third-level consumer has to be which type?
a)
Carnivore.
b)
Decomposer.
c)
Producer.
d)
Herbivore.
21.
In a food web, arrows point at:
a)
who gets energy.
b)
who gets eaten.
22.
What does a food web represent?
a)
All connections of energy flow throughout all organisms in a ecosystem.
b)
The specific ways that mutualism is carried out.
c)
A single pathway or energy flow between organisms. 
d)
How carnivores get their food. 
23.
Bacteria, fungi, and earthworms are examples of: 
a)
scavengers
b)
predators
c)
prey
d)
decomposers
24.
Which of the following is a herbivore?
a)
cricket
b)
frog
c)
hawk
d)
shrew
25.
__________ is an organism that eats BOTH plants and animals for energy.
a)
Omnivore
b)
Darnivore
c)
Carnivore
d)
Herbiovre
26.
If the grasshopper were to be removed completely from the food web, what organism would be most effected?
a)
The squirrel
b)
The shrew
c)
The deer
d)
The rabbit
27.
Which organism recieves the least amount of energy from the producer?
a)
Owl
b)
Grasshopper
c)
Lilypad
d)
Mouse
28.
Which level will contain plants?
a)
A
b)
B
c)
C
d)
D
29.
Which level has the most energy available?
a)
producer
b)
primary consumer
c)
secondary consumer
d)
tertiary consumer
30.
An organism that needs to eat other organisms to obtain energy is known as a:
a)
Autotroph
b)
Producer
c)
Consumer
d)
Mutualist
31.
How much energy is available to be passed on to the next trophic level in an ecosystem?
a)
100%
b)
10%
c)
50%
d)
75%
32.
The rabbit in this food web would be considered a:
a)
Decomposer
b)
Producer
c)
Secondary Consumer
d)
Primary Consumer
33.
The fox in this food web would be considered a:
a)
Tertiary Consumer
b)
Producer
c)
Secondary Consumer
d)
Primary Consumer
34.
The mouse in this food web would be considered a:
a)
Primary Consumer
b)
Producer
c)
Tertiary Consumer
d)
Secondary Consumer
35.
What is a trophic level?
a)
Each level represented within a food chain or web.
b)
Levels of ecosystems that the world is divided into.
c)
Different levels of nutrients present within an organism.
d)
The levels of sunlight an autotroph needs to survive. 
36.
All energy on Earth ultimately comes from what source?
a)
Water
b)
Sun
c)
Consumers
d)
Oxygen
37.

About how much energy is LOST when an organism consumes another organism from a different trophic level?

a)

10%

b)

90%

c)

50%

d)

25%

38.

Where do producers get their energy from?

a)

Decomposers

b)

Primary Consumers

c)

Secondary Consumers

d)

The Sun

39.

What is another word for producer?

a)

Heterotroph

b)

Autotroph

40.

What is another word for consumers?

a)

Heterotroph

b)

Autotroph

41.

If the snake has 50 kJ of energy, how much does the grass have?

a)

50

b)

500

c)

5000

d)

5

42.

If the grass has 4360 kJ of energy, how much energy does the owl get?

a)

436

b)

4.36

c)

46

d)

4360

43.

If the rabbit has 240 kJ of energy, how much does the snake get?

a)

240

b)

2400

c)

2

d)

24

44.
A secondary consumer 
a)
eats primary consumers
b)
eats producers
c)
eats plants
45.

Which best explains biodiversity?

a)

The population of a species in an ecosystem

b)

The variety of species in an ecosystem

c)

The study of life

d)

The difference number of biomes on Earth

46.

Which ecosystem has the greatest amount of biodiversity?

a)

Polar regions

b)

Deciduous forest

c)

Tundra

d)

Tropical rainforest

47.
A drought has hit this grassland biome. How will this effect the rabbit population?
a)
The rabbits will increase in number.
b)
The rabbit population will stay the same.
c)
The rabbit population will decrease.
d)
The rabbit population will become extinct immediately.
48.
In this tundra food web, if grasses were removed what would happen to the sustainability of the ecosystem?
a)
There would be an overpopulation of arctic hares and lemmings.
b)
Polar bears would move to a new ecosystem
c)
The ecosystem would collapse because it lost its main producer
d)
Wildflowers would die out from the ecosystem
49.
Brown trout consume (eat) more tadpoles when the fly larvae reduce in number (decrease).  This proves...
a)
The dependence of organisms and biodiversity in an ecosystem
b)
Diversity increases as organisms decrease
c)
Losing an animal is good for ecosystems
d)
Changes in ecosystems create new organisms
50.

Why do these two microhabitats located in the same biome support different varieties of life?

a)

Because the climates are very different in each location.

b)

Different animals prey on the different insects.

c)

Because the microhabitats each have different resources.

d)

Because the tree is dead, it can't support life.

51.

Which of the following situations contributes to stability in an ecosystem?

a)

increase in biodiversity

b)

decrease in biodiversity

c)

extinction of a population from the ecosystem

d)

removal of many populations of organisms

52.

Some plants have a waxy thick coat with thorns. Where would you find this type of plant?

a)

Grassland

b)

Tundra

c)

Desert

d)

Forest

53.

Which food web would be likely to survive if a one species of plant were lost due to disease?

a)

Food Web 2, the feeding relationships are less complex

b)

Food Web 1, most herbivores can eat other organisms.

c)

Food Web 1, has the greater number of 1st level consumers.

d)

Food Web 2, a greater number of predators competing for food

54.

The ocean ecosystem has a high sustainability because of

a)

strong, persistent currents

b)

predator/prey relationships

c)

green plants growing on the bottom

d)

the large variety of different organisms

55.

Why does biodiversity contribute to a habitat’s sustainability?

a)

The more plants and animals in a habitat, the greater the biomass, which is how habitats store energy.

b)

The greater the number of species, the more competition there is for food between predators, which sustains their populations.

c)

Changing conditions that harm one species leave other species to survive and perhaps even thrive.

d)

Landforms change shape less frequently when there is a greater number of species using the land.

56.

1. The ecosystem with the greatest sustainability will be the one that has the –

a)

greatest variety of different organisms

b)

highest annual precipitation

c)

lowest population of harmful insects

d)

fastest growing season of green plants

57.
Why is biodiversity so important?
a)
Because all species depend on each other to survive, so if one becomes extinct another species that relies on it could go extinct as well
b)
Because it’s better to have only one variation of each species.
c)
Because it better to only have a few species on Earth.
d)
Honestly, I have no idea what biodiversity is!
58.
Plants in this biome are adapted to poor soil, extreme temperatures and less than 25 centimeters of rainfall per year.
a)
Tundra
b)
Taiga
c)
Desert
d)
Grasslands
59.
How would the biodiversity of this ecosystem be affected if the lantern fish disappeared?
a)
The ocean sunfish population would increase.
b)
The large shark population would die out.
c)
The squid would die out.
d)
There would be no change.
60.
Under a rock is a good place to view a micro habitat.
a)
True
b)
False
61.
Biodiversity can affect the ________ of ecosystems and the _________ of populations.
a)
sustainability and stability
b)
stability and sustainability
c)
life and existence
d)
existence and life
62.

Describe how biodiversity contributes to sustainability.

a)

As biodiversity increases, sustainability decreases

b)

As biodiversity increases, sustainability increases

c)

As biodiversity decreases, sustainability increases

d)

There is no relationship between biodiversity and sustainability

63.

Which ecosystem is more sustainable?

a)

Community 1

b)

Community 2

c)

Same

64.

Which list does NOT include biotic factors?

a)

elephants, zebras, acacia trees, bushes, bacteria

b)

rocks, water, temperature, sun, clouds

c)

algae, seaweed, fungi

d)

decayed zebra, bird eggs, poo from a kangaroo

65.

Which represents community level of organization?

a)

lions, zebras, giraffes, trees

b)

lions

c)

lions, zebras, sunlight, trees, rocks

d)

lions and their cubs

66.

Which represents a community?

a)

a

b)

b

c)

c

d)

d

67.

Which of the following shows the correct order of the pictures from the LOWEST (smallest) to the HIGHEST (largest) level of organization?

a)

c < b < d < a

b)

b < c < a < d

c)

c < b < a < d

d)

a < d < b < c

68.
Which is an example of a population?
a)
different kinds of bacteria
b)
A group of fish and sharks
c)
deer, bear, and rabbits
d)
A herd of cattle
69.
What is it called when a group of the same organisms living together in the same place at the same time?
a)
An organism
b)
A population
c)
A community
d)
A biome
70.
What are groups of different populations living togther in the same place at the same time called?
a)
An organism
b)
A population
c)
A community
d)
A biosphere
71.
What is it called when you have groups of different populations along with their abiotic factors?
a)
An organism
b)
A population
c)
A community
d)
An ecosystem
72.
Abby is walking to school with her best friend Jaylyn. They begin talking about everything they see including the ash trees, grass, weeds, ants, and people. They also notice how cold it is, how there are several large puffy clouds out, and how the sun is just starting to come up.  What level of organization are they discussing?
a)
community
b)
ecosystem
c)
biome
d)
biosphere
73.
Identify the examples as: a organism, population, community, or ecosystem.
A beautiful butterfly.
a)
Organism
b)
Population
c)
Community
d)
Ecosystem
74.
Identify the examples as: a organism, population, community, or ecosystem.
Water, Fish, Turtles, Oxygen, Rocks and Moss interacting in a river system.
a)
Organism
b)
Population
c)
Community
d)
Ecosystem
75.
Identify the examples as: a organism, population, community, or ecosystem.
All speckled sting-ray that live in the Pacific Ocean
a)
Organism
b)
Population
c)
Community
d)
Ecosystem
76.
Identify the examples as: a organism, population, community, or ecosystem.
Chicken, Cow, Grass, Buffalo, and Mouse living on farmland.
a)
Organism
b)
Community
c)
Population
d)
Ecosystem
77.

The fox family represents a (n)--

a)

organism

b)

population

c)

community

d)

ecosystem

78.
Which of the following is a population?
a)
hawks, barred owls, and eagles on NC coast
b)
mountain stream
c)
all the frogs in a pond
d)
blue-tailed skinks (lizards) around a barn
79.
Which of the following best describes a community?
a)
sharks, groupers, anemones and shrimp on a coral reef
b)
decorator crabs on the seafloor
c)
loggerhead sea turtles in Atlantic
d)
prairie grassland in Wyoming
80.
The prefix a- in abiotic means 
a)
life
b)
science
c)
not or without
d)
one
81.
Which of the following is not an abiotic factor?
a)
sun
b)
temperature
c)
soil
d)
grass
82.
dead log
a)
biotic
b)
abiotic
83.
temperature
a)
biotic
b)
abiotic
84.
fungus
a)
biotic
b)
abiotic
85.
wind
a)
biotic
b)
abiotic
86.
soil
a)
biotic
b)
abiotic
87.
water
a)
biotic
b)
abiotic
88.
What are the levels of organization from largest to smallest in an ecosystem?
a)
individual, population, community, ecosystem 
b)
cells, tissue, organism 
c)
ecosystem, community, population, individual 
d)
biosphere, community, individual 
89.
What is the order of succession shown in this figure?
a)
A, B, C, D
b)
B, A, D, C
c)
C, D, A, B
d)
D, A, B, C
90.
What type of succession is shown going from figure A to figure B?
a)
primary succession
b)
ecological succession
c)
secondary succession
d)
intermediate
91.
What is the goal of the pioneer species in Primary Succession?
a)
To kill the dead materials after a disaster
b)
To rebuild soil
c)
To feed Johnny
d)
To put fresh oxygen into the air
92.
The picture shows what type of succession?
a)
primary
b)
secondary
c)
tertiary
d)
quadanary
93.
The picture shows what type of succession?
a)
primary
b)
secondary
c)
tertiary
d)
quadanary
94.
What is the name given to lichen or algae after a primary succession?
a)
pioneer species
b)
volunteer species
c)
founder species
d)
conqueror species
95.
What are examples of pioneer species in a primary succession?
a)
Bushes and Shrubs
b)
Oak trees
c)
Mossess and Lichens 
d)
A rose Bush
96.
After a volcanic eruption, lava covers the land. What is the order that plants grow to repopulate the area?
a)
Lichens → Shrubs → Grasses → Trees
b)
Lichens → tree → shrubs→Grasses
c)
Grasses → Lichens → Shrubs → Trees
d)
Lichens → Grasses → Shrubs → Trees
97.
the process by which a new community forms where no community lived before 
a)
resource
b)
invasive (non- native) species
c)
primary succession
d)
competition
98.
What is the correct order from oldest (happened first) to youngest (happened last) in this pond succession?
a)
A, B, C, D
b)
D, C, B, A
c)
B, A, D, C
d)
C, D, A, B
99.
Reaches a climax community quicker because soil is already present
a)
primary succession 
b)
secondary succession
c)
both types of succession
100.
What is the first species you will see after a primary succession? (in picture)
a)
lichens
b)
grasses
c)
small plants
101.
Final illustration (#8) shows
a)
pioneer species
b)
climax community
c)
only biotic factors
d)
only abiotic factors
102.
Succession type?
a)
primary succession
b)
secondary succession
c)
tertiary succession
d)
variable succession
103.
Succession type?
a)
primary succession
b)
secondary succession
c)
tertiary succession
d)
variable succession
104.
This is an example of...
a)
Climax communities
b)
Secondary succession
c)
Lichen
d)
Pioneer species
105.
This is an example of...
a)
Secondary Succession
b)
Primary succession
c)
Utter and complete destruction! RAWR!
d)
Climax Communities
106.
A pioneer species is...
a)
a large organism
b)
the first organisms to adapt to a new environment 
c)
The best organism 
d)
Abiotic organisms 
107.
What is the most important function of pioneer species?
a)
To create rocks
b)
To create soil and add nutrients to the environment 
c)
To look nice
d)
Food for animals 
108.
Succession that occurs in an area with NO SOIL
a)
ecological succession 
b)
primary succession 
c)
secondary succession
d)
pioneer speciles
109.
Survival of the Fittest and Evolution were proposed by what scientist?
a)
Charles Darwin
b)
Albert Einstein
c)
Steven Hawking
d)
Isaac Newton
110.
When every organism of a species has died.
a)
Evolution
b)
Natural Selection
c)
Extinction
d)
Artificial Selection
111.
Where the better adapted organisms survive to pass traits along to offspring.
a)
Evolution
b)
Natural Selection
c)
Extinction
d)
Artifical Selection
112.
What are the most studied animals in the galapagos?
a)
Finches
b)
Tortoises
c)
Turtles
d)
Lizards
113.
What is the advantage of having different shaped beaks?
a)
To look different from other species.
b)
To be able to eat the food readily available in the environment.
c)
To protect itself against predators.
d)
To protect itself against prey.
114.
The theory of evolution by natural selection means that what is changing over time?
a)
The inherited traits of a population.
b)
The acquired traits of a population.
c)
Hair color and eye color
d)
Attractive features.
115.
Why are advantageous traits more likely to be passed onto offspring?
a)
Because they are more likely to survive and reproduce.
b)
Because they come from dominant alleles.
c)
Because they come from recessive alleles.
d)
Because the trait is an acquired phenotype.
116.
Which organisms are most likely to survive?
a)
the best adapted
b)
the fastest
c)
the strongest
d)
the most domesticated (tamed)
117.
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 environment?
a)
Dark moth
b)
Light moth
c)
Both will be equally successful
d)
Neither will be successful
118.
Since the 1800s humans have stopped burning coal, and the trees have returned to their original color. Which moth will be more successful in this environment?
a)
Dark moth
b)
Light moth
c)
Both will be equally successful
d)
Neither will be successful
119.
What process is being shown in this image?
a)
Variation
b)
Natural Selection
c)
Selective Breeding
d)
Homeostasis
120.
These moths are all the same species. The differences between their wings is an example of ________________
a)
Natural Selection
b)
Variation
c)
Homeostasis
d)
Extinction
121.

The sweet potato is a common crop plant found in most warm areas of the world. The plant rarely flowers and more rarely makes seeds. However, the roots and potato vines spread rapidly, and new plants are easily grown from the roots and vines of old plants. Some scientists would like to grow new types of sweet potatoes that parasites will not attack. Which of these processes is most difficult in developing new types of sweet potatoes?

a)

planting root stocks

b)

cutting vines

c)

removing parasites

d)

selective breeding

122.

A dog breeder sells puppies to owners who like to show dogs in competitions in which the dogs usually perform tricks and obey commands. Many generalized behavioral traits can be passed down over generations of dogs. Which characteristic would a breeder of dogs look for when selecting parent dogs to breed?

a)

aggression

b)

obedience

c)

nervousness

d)

size

123.
The purpose of selective breeding is to 
a)
Get bigger animals
b)
get smaller animals
c)
create animals with desirable traits
d)
create animals with bad traits
124.
A farmer has bred his pineapple plants from the sweetest pineapples from his last harvest to get even sweeter pineapple plants. What is this an example of?
a)
Selective breeding
b)
Natural selection
c)
Extinction
d)
Mutagenesis
125.

A bison has teeth that are adapted for eating grasses. Suppose a disease were to kill off all the grasses in a region where the bison live. What would likely happen to the bison population?

a)

They would adapt to eating a different kind of plant.

b)

They would evolve into a new species

c)

They would eventually die from lack of food

d)

They would not be affected.

126.

A certain species of owl lives only in certain woodland. If the trees where these owls live are removed by loggers what will most likely happen to the owl population?

a)

it will decrease to the point of extinction

b)

it will hibernate until the trees grow back

c)

it will increase in number

d)

it will evolve into a new species

127.

Which of the following have been produced by selective breeding?

a)

Large brocolli

b)

Chickens that lay lots of eggs

c)

Wheat plants with lots of seeds

d)

Rice plants resistance to disease

e)

All of these

128.
Problems with selective breeding include
a)
Better animals
b)
More Meat
c)
Animals can have bad health problems
d)
more diversity
129.
A scientist inserts a gene into an apple that makes it resistant to drought from a bacteria. What is this an example of?
a)
Genetic engineering
b)
Natural selection
c)
Mutagenesis
d)
Genetic screening
130.
The space, conditions and all the living and non-living things around an organism is its _________________.
a)
home
b)
environment
c)
neighborhood
d)
ecosystem
131.
An organism that hunts and feeds on another organism is a ______________________.
a)
prey
b)
producer
c)
predator
d)
decomposer
132.
An animal that is hunted as food
a)
prey
b)
predator
c)
decomposer
d)
producer
133.
An inherited trait that helps those organisms that have it to survive
a)
niche
b)
structure
c)
characteristic
d)
adaptation
134.
Coloring or another physical characteristic that help an organism blend in with its environment
a)
mimicry
b)
camouflage
c)
hibernation
d)
migration
135.
A natural process in which new organisms are created and the species continues
a)
population
b)
niche
c)
reproduction
d)
behavior
136.
The role an organism plays in its ecosystem
a)
niche
b)
behavior
c)
structure
d)
function
137.
When an organism copies a characteristic of something else in order to better its chances for survival and reproduction
a)
hibernation
b)
camouflage
c)
mimicry
d)
migration
138.
The seasonal movement of an organism from one place to another
a)
camouflage
b)
migration
c)
hibernation
d)
function
139.
When an organism slows its life functions for a period of time to better its chances for survival during harsh conditions
a)
camouflage
b)
migration
c)
mimicry
d)
hibernation
140.
The place or environment where an organism naturally lives
a)
function
b)
habitat
c)
community
d)
ecosystem
141.
A group of organisms which are similar to each other and can combine to have offspring
a)
species
b)
characteristic
c)
club
d)
organisms
142.
features that help identify something
a)
appearance
b)
characteristics
c)
behaviors
d)
structures
143.
Function is ________________________.
a)
the way something looks
b)
how something sounds
c)
what something does
d)
the role of an organism
144.
A group of organisms of the same species
a)
ecosystem
b)
community
c)
population
d)
group
145.
All the populations in a specific area or region
a)
community
b)
ecosystem
c)
population
d)
species
146.
A dichotomous key for trees is provided. Hikers found a tree that has large brown cones and single sharp needles. What species of tree have the hikers found?
a)
Juniper
b)
Pine
c)
Spruce
d)
Fir
147.
A dichotomous key for insects is given. To what order does an insect with two pairs of scaly wings belong?
a)
Coleoptera
b)
Heteroptera
c)
Diptera
d)
Lepidoptera
148.
A student discovers an arachnid with a segmented abdomen, long legs, and a tail with no stinger. The student uses the dichotomous key below to identify it. Which arachnid has the student found?
a)
Whip Scorpion
b)
Wind Scorpion
c)
Daddy long legs
d)
Scorpion
149.
An illustration and a dichotomous key are given. What is the correct classification for this organism?
a)
Class Insecta
b)
Order Amblygygi
c)
Order Araneae
d)
Order Scorpiones
150.
What step do we always start with when using dichotomous keys?
a)
1
b)
2
c)
3
d)
4
151.
What is a dichotomous key used for in science?
a)
To organize biomes
b)
Classify organisms
c)
Identify bacteria only
d)
None of these
152.
What is the name of bird Z?
a)
Certhidea
b)
Geospiza
c)
Camarhynchus
d)
Platyspiza