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unit 6 Test Review

Total questions: 74

Worksheet time: 37mins

Name
Class
Date
1.
A place where plants and animals live and grow is called a ____________. It provides, food, water, shelter, and air.
a)
shelter
b)
tree
c)
habitat
d)
organism
2.
The colors & patterns on a turtles shell help it blend in with the forest floor.  This is:
a)
hibernation.
b)
behavior.
c)
migration.
d)
camouflage.
3.
The praying mantis looks very much like a blade of grass. What is it called when animals look like other animals or plants?
a)
camouflage
b)
mimicry
c)
locomotion
d)
hibernation
4.
When a cheetah teaches it's cub to hunt, this is called a  __________. 
a)
learned behavior
b)
predator
c)
physical characteristic
d)
migration
5.
Instinct or Learned Behavior?
Dogs pant when they are hot. 
a)
Instinct
b)
Learned
6.

Chameleons are reptiles that have the ability to hide from predators and prey by blending in with their environment. They can change the pattern and/or color of their skin. This ability is known as --

a)

natural selection

b)

imitations

c)

mimicry

d)

camouflage

7.

Which biome has the least amount of biodiversity? (the least different kinds of organisms)

a)

tropical rain forest

b)

savanna

c)

grassland

d)

desert

8.

In which biome would you find permafrost? This is the layer of soil that is frozen all the time.

a)

coniferous forest (taiga)

b)

desert

c)

tundra

d)

grassland

9.

Which biome has the worst soil because so much vegetation grows there that are the nutrients are in the trees and plants?

a)

tundra

b)

desert

c)

tropical rain forest

d)

grassland

10.

Which biome gets the most amount of rain every year?

a)

decidious forest

b)

tropical rain forest

c)

desert

d)

tundra

11.

Which biome has trees that lose their leaves in the fall and regrow them in the spring?

a)

deciduous forest

b)

coniferous forest (taiga)

c)

tropical rain forest

d)

desert

12.

Which biome is the coldest?

a)

tundra

b)

desert

c)

grassland

d)

savanna

13.

Another word for a plant that makes its own food using energy from sunlight…

a)

photosynthesis

b)

producer

c)

heterotroph

d)

carnivore

e)

herbivore

14.

Where does the energy start for all living things & in this food chain?

a)

Plant

b)

Sun

c)

Deer

d)

Wolf

15.
An organism that needs to eat other organisms to obtain energy is known as a:
a)
Autotroph
b)
Producer
c)
Consumer
d)
Mutualist
16.

What is the definition of - Herbivore

a)

An organism that obtains energy by eating both plants and animals

b)

The rate at which organic matter is created by producers in an ecosystem

c)

An organism that obtains energy by eating only plants

d)

An organism that obtains energy by eating only animals

17.

What is the definition of - Carnivore

a)

An organism that obtains energy by eating both plants and animals

b)

An organism that feeds on plant and animal remains and other dead matter

c)

An organism that obtains energy by eating only plants

d)

An organism that obtains energy by eating only animals

18.

What is the definition of - Omnivore

a)

An organism that obtains energy by eating both plants and animals

b)

An organism that feeds on plant and animal remains and other dead matter

c)

An organism that obtains energy by eating only plants

d)

Series of steps in an ecosystem in which organisms transfer energy by eating and being eaten.

19.

What is the definition of - Decomposer

a)

An organism that obtains energy by eating both plants and animals

b)

An organism that obtains energy by eating only plants

c)

An organism that breaks down the remains of dead organisms and returns the nutrients back into the soil

d)

Series of steps in an ecosystem in which organisms transfer energy by eating and being eaten.

20.
Organisms that relies on other organisms for food; consumer
a)
herbivore
b)
decomposer
c)
heterotroph
d)
species
21.

What do fungi, mushrooms & bacteria do to dead plants and animals?

a)

Leave them there

b)

Decompose them

c)

Wait for other animals to eat them

d)

Move away

22.

What is a scavenger?

a)

A consumer that eats dead animals that have already been killed by other animals; does not recycle nutrients

b)

A carnivore that eats what it kills

c)

Eats plants and meat

d)

Eats plants only

23.

When the ringed seal is feeding on krill (zooplankton), it is a __________ consumer.

a)

primary

b)

secondary

c)

tertiary

d)

quaternary

24.

How can the orca be a 5th level consumer?

a)

phytoplankton --> krill --> ringed seal --> polar bear--> orca

b)

phytoplankton --> krill --> arctic cod --> orca

c)

phytoplankton --> krill --> arctic cod --> ringed seal --> polar bear--> orca

d)

phytoplankton --> krill --> arctic cod --> polar bear--> orca

25.

Which organism can be considered an herbivore?

a)

phytoplankton

b)

zooplankton

c)

arctic cod

d)

ringed seal

26.

Which organisms in the food web compete with each other for food sources?

a)

krill and arctic cod

b)

polar bear and orca

c)

krill and ringed seal

d)

phytoplankton and zooplankton

27.
What does a food chain contain? Choose ALL correct answers.
a)
consumer
b)
producer
c)
decomposer
d)
all of the above
28.
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.
29.
The largest group of organisms found in a food web would be:
a)
Primary Consumers
b)
Producers
c)
Decomposers
d)
Tertiary Consumers
30.
Cattle egrets forage (feed) in fields among cattle. The egret gets easy access to flying insects stirred up by the cattle, and the cattle don't care if they are there or not.
a)
mutualism
b)
commensalism
c)
competition
d)
parasitism
31.
A relationship between two organisms in which one organism benefits and the other is unharmed...
a)
Mutualism 
b)
Competition
c)
Parasitsm 
d)
Commensalism 
32.
What type of symbiosis?  Hummingbirds feed on nectar from flowers.  The flowers are pollinated by hummingbirds as they move from flower to flower.
a)
commensalism
b)
mutualism
c)
parasitism
d)
predation
33.
What type of symbiosis?  Skunks often live in burrows that have been dug and abandoned by woodchucks.  
a)
commensalism
b)
mutualism
c)
parasitism
d)
predation
34.
Which symbols best describe parasitism?
a)
+,+
b)
+,-
c)
+,0
d)
-,0
35.
Red-billed oxpeckers are birds that often feed on parasites that infest impala.  This is an example of _______.
a)
commensalism
b)
mutualism
c)
neutralism
d)
competition
36.
A relationship between two organisms in which both organisms benefit. 
a)
Mutualism 
b)
Competition
c)
Parasitsm 
d)
Commensalism 
37.
When a mosquito bites you, you are the __________ and the mosquito is the  ____________.
a)
host, hostess
b)
parasite, host
c)
host, parasite
d)
prey, predator
38.

Aphids are tiny insects that live on and eat the leaves of plants, removing vital nutrients from the plants.

a)

Predation

b)

Parasitism

c)

Commensalism

d)

Mutualism

39.
What type of symbiosis is this?
*Hermit crabs find shells left by snails that have died and move in.
*  Snails die and leave behind their shells.
a)
commensalism
b)
mutualism
c)
parasitism
d)
predation
40.
Which symbols best describe mutualism?
a)
+,+
b)
+,-
c)
+,0
d)
-,0
41.
A tick and a dog have this type of relationship.
a)
mutualism
b)
commensalism
c)
neutralism
d)
parasitism
42.
Barnacles create home sites by attaching themselves to whales. This relationship neither harms nor benefits the whales. 
a)
parasitism
b)
commensalism
c)
mutualism
43.
Mistletoe extracts water and nutrients from a spruce tree. The spruce tree is harmed. 
a)
parasitism
b)
commensalism
c)
mutualism
44.
Ostriches and gazelles feed next to each other. They both watch for predators and alert each other to danger. Because their visual abilities are different, they can identify threats that the other animal would not see as readily. 
a)
parasitism
b)
commensalism
c)
mutualism
45.
Honey guide birds alert and direct badgers to bee hives. The badgers then expose the hives and feed on the honey first. Next the honey guide birds eat. Both species benefit. 
a)
parasitism
b)
commensalism
c)
mutualism
46.

Natural disturbances, such as fires or hurricanes, can result in

a)

A.parasitism.

b)

B.competition.

c)

C.commensalism.

d)

D.succession.

47.

The end result of ecological succession is usually a(n)

a)

A.land biome.

b)

B.aquatic biome.

c)

C.unstable community.

d)

D.climax community.

48.

Which of the following is not a possible cause of ecological succession?

a)

A. fire

b)

B. flood

c)

C. earthquake

d)

D. change of season

49.

. Which of the following is an example of primary succession?

a)

A.lichens growing on rocks following a volcanic eruption

b)

B.grasses growing after a forest fire

c)

C.oak trees replacing pine trees in a forest

d)

D. non-native species introduced into a climax community

50.

Which of these organisms would you most expect to find on a small island that formed as a result of a volcanic two years prior?

a)

A.climbing vines

b)

B.hardwood tree

c)

C.monkey

d)

D.lichen

51.

Which of the following describes how an abiotic factor can impact the population dynamics in an ecosystem?

a)

A. A parasite that invades a host can reproduce and cause a decline in the host species population.

b)

B. Organisms that compete for the same resources will keep each other from overpopulating.

c)

C. Predators will prevent herbivores from depleting the plants and other resources in an ecosystem.

d)

D. Seasonal variations in temperature can cause some of the individuals in a population to die.

52.

How is primary succession different from secondary succession?

a)

Primary succession starts with soil.

b)

Secondary succession start with bare rock.

c)

Primary succession starts with bare rock, with lichens and moss.

d)

Fire is an example of primary succession.

53.

Examples of Abiotic Factors include:

a)

Weather, birds, plants, and animals

b)

Rocks, reptiles, shrubs, trees, and grasses

c)

Weather, wind, rain, sunlight, and rocks

d)

Birds, plants, animals, reptiles, shrubs, trees, and grasses

54.

A volcano in a mountainous, wooded region erupts, spewing tons of ash and destroying the forested area around the volcano. If the volcano remains dormant during

the next 1000 years, what will probably happen?

a)

The area will be repopulated by trees, eventually becoming a

forest again.

b)

The mountains will erode and remain without life.

c)

The area will remain unchanged, covered by volcanic ash.

d)

The area will turn into a completely different habitat, such as

desert of plains.

55.

How has the invasion of pythons effected the everglades ecosystem in terms of species numbers?

a)

The pythons could upset the territorial boundaries of native organisms.

b)

The pythons could adapt to overcome diseases common to native snakes.

c)

The pythons could prey on native organisms and cause native populations to decline.

d)

The pythons could begin to interbreed with native snakes and produce a more successful species.

56.

Which is a natural cause of

ecosystem change?

a)

A. Farming

b)

B. Building fences

c)

C. Pollution

d)

D. Hurricane

57.

Which of the following best

describes biodiversity

a)

A. a diverse Biology class

b)

B. variety of all life on earth

c)

C. a variety of plants

d)

D. a variety of animals

58.

Abandoned railroad tracks are overgrown with weeds. Ten years later there are small aspen trees growing in the middle of the tracks. This change is an example of:

a)

Primary succession

b)

Biological evolution

c)

Secondary succession

d)

Heterotrophic nutrition

59.
A collection of organisms that belong to different populations but all live in the same area and interact with one another.
a)
Population
b)
Ecosystem
c)
Community
d)
Ecosphere
60.
A collection of organisms that make up a community as well as all of the nonliving aspects of the environment.
a)
Population
b)
Community
c)
Habitat
d)
Ecosystem
61.
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
62.
An ecosystem contains living and nonliving things.
a)
True
b)
False
63.
Nonliving factor that affects an ecosystem...
a)
biotic factor
b)
abiotic factor
c)
food chain 
d)
biome
64.

Living factors or organisms that affect an ecosystem...

a)

abiotic factors

b)

species

c)

trophic level

d)

biotic factors

65.
The smallest unit of life that can sustain itself is called...
a)
an organism.
b)
the biosphere.
c)
a population.
d)
a community.
66.
When all the ecosystems on Earth are combined it is called...
a)
a community.
b)
a biome.
c)
a biosphere.
d)
an Earthsphere.
67.
The temperate decisuous forest, the tropical rain forest, the desert, and the tundra are all examples of...
a)
the biopshere.
b)
biomes.
c)
ecosystems.
d)
communities.
68.
Andrea is on the grils cross country tream. She is heading out for a run when she comes across 20 Canadian geese.  What level of organization is this group of Canadian geese?
a)
organism
b)
population
c)
community
d)
biome
69.

Jacob is going out to his grandparents farm. On the farm is a stream that he likes to fish at. When he is fishing he sees many differernt speacies of fish as well as maple and oak trees and dragonflies. What Jacob is seeing is an example of what level of organization?

a)

organism

b)

population

c)

community

d)

ecosystem

70.
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
71.
The correct order of ecological organization from the smallest to the largest is _______________.
a)
organism, community, population, ecosystem, biosphere, biome
b)
biosphere, biome, ecosystem, community, population, organism
c)
organism, population, community, ecosystem, biome, biosphere
d)
population, organism, biosphere, community, ecosystem, biome
72.
What are the abiotic factors in this image? 
a)
water, sunlight, dirt, air
b)
birds and plants
c)
water, plants, and birds 
73.

What level of organization can be seen here?

a)

Species

b)

Population

c)

Community

d)

Ecosystem

74.

A large region with a similar climate and specific plant and animal communities based on that climate

a)

population

b)

community

c)

biosphere

d)

biome

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