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Worksheets

Review for Unit Test on March 7, 2023

Total questions: 75

Worksheet time: 1hrs 6mins

Name
Class
Date
1.
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
2.

A tapeworm lives in the intestine of a cat absorbing nutrients through its skin. A tapeworm and a cat have this type of relationship.

a)

mutualism

b)

parasitism

c)

commensalism

d)

competition

3.
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
4.
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
5.
Which symbols best describe parasitism?
a)
+,+
b)
+,-
c)
+,0
d)
-,0
6.
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
7.
A relationship between two organisms in which both organisms benefit. 
a)
Mutualism 
b)
Competition
c)
Parasitsm 
d)
Commensalism 
8.
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
9.

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

10.

Mockingbirds will push the eggs out of a blue bird's nest and use the nest for it's own babies illustrating...

a)

commensalism

b)

parasitism

c)

mutualism

d)

predation

11.

Clown fish live among anemones, acting as a lure for the sea anemone's prey. The clown fish get protection and shelter from the anemone. This is an example of which type of symbiosis?

a)

Commensalism

b)

Mutualism

c)

Parasitism

12.

A bee and a flower work together to benefit each other. This is an example of a ______. The bee helps the flower by pollinating it and the flower helps the bee by providing it with nectar.

a)

commensalistic relationship

b)

parasitic relationship

c)

mutualistic relationship

13.
Which of he following interactions demonstrates a PARASITIC relationship?
a)
A mosquito sucking blood from a warm blooded animal.
b)
A group of baby otters floating together to help warm each other in the cold waters.
c)
Many fish swimming together to protect each other from predators.
d)
Two hyenas fighting over a female to mate with.
14.

Hookworms enter the human body by burrowing into the skin of the feet. Once in the skin, they enter the bloodstream and travel to the small intestine where they attach to the walls and begin to drink the person's blood and weaken the victim.

a)

mutualism

b)

commensalism

c)

parasitism

15.

Lichens are close associations of fungi and algae. The fungi hold the water supply and the algae perform photosynthesis to manufacture carbohydrates for both organisms.

a)

mutualism

b)

commensalism

c)

parasitism

16.

In the jungles of South America lives a thorn tree call an acacia. A species of ant eats secretions of the acacia, drinks its sap, and raises its young in the hollow thorns. The ants also keep competing vines from growing near the acacia tree and they help repel any insects that would damage the acacia tree.

a)

mutualism

b)

commensalism

c)

parasitism

17.
Remoras are small fish that swim close to or attach themselves to sharks.  Remoras eat small scraps left as the sharks feed and the sharks are unaffected. 
a)
Competition
b)
Predation
c)
Mutualism
d)
Commensalism
18.

True or False: Biodiversity is extremely important and keeps the ecosystems of the Earth balanced and functioning properly.

a)

TRUE

b)

FALSE

19.
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
20.

Which statement best describes an example of low species diversity?

a)

A population of frogs has a wide variety of skin colors

b)

A marsh ecosystem is covered by a single species of cattail bulrushes

c)

A state park includes multiple forest, wetland, and freshwater ecosystems

21.

Which of the following are factors that affect biodiversity?

a)

Climate

b)

Poaching

c)

Pollution

d)

Area

e)

Niche Diversity

22.

2) A species that influences the survival of many other species in an ecosystem is called a(n)

a)

niche species.

b)

extinct species.

c)

keystone species.

d)

endangered species.

23.

Which of the following is not a threat to biodiversity?

a)

Habitat loss

b)

Pollution

c)

Introducing non-native species

d)

Planting gardens in city centers

24.
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.
25.
When every organism of a species has died.
a)
Evolution
b)
Natural Selection
c)
Extinction
d)
Artificial Selection
26.
If the environment suddenly changed, how could a species go extinct?
a)
The environmental change means fewer predators are around
b)
There are more homes available in the newly changed environment
c)
New resources are available with less competition
d)
There aren't enough members of the species with a trait necessary to survive in the new environment
27.

Biodiversity is important to keep an area (biome) healthy. In this example "Food Web A" is sustainable. Why is sustainability important for an ecosystem in "Food Web A".

a)

If one organism is removed the food web can still operate (work) with little or no negative effect.

b)

If an organism is removed the food web will collapse and will affect the environment.

28.

Gradual, natural change in an ecosystem over time:

a)

Succession

b)

Movement

c)

Evolution

d)

Change

29.

After a volcano destroys the land, ________________ succession takes place.

a)

Secondary

b)

Primary

c)

Tertiary

d)

Important

30.

The first species to live in a land, after destruction, are:

a)

Oregon Trail species

b)

Primary consumers

c)

Pioneer species

31.

A pattern of change after existing ecosystem is destroyed, such as clearing for farming.

a)

Evolution

b)

Secondary Succession

c)

Primary Succession

32.

Primary succession takes ____________ time than secondary succession.

a)

More

b)

Less

c)

Same

33.

A new island is formed after a volcano erupts.

What is the order that things would grow?

a)

Tree, grass, moss

b)

Lichen, Grass, Shrub, Tree

c)

Lichen, Shrub, Moss, Tree

d)

Shrub, grass, moss, tree

34.

What type of organism would typically grow on bare rock?

a)

Moss and lichen

b)

Grass

c)

Oak trees

d)

Shrubs

35.

Would an oak tree be one of the first or last species to grow?

a)

First

b)

Last

36.

What animals would be first to enter a new ecosystem?

a)

Insects

b)

Bears

c)

Foxes

d)

Elk

37.

What succession is represented in the photo

a)

Primary Succession

b)

Secondary Succession

38.

The end of a succession resulting in a stabilized community such as a desert, rainforest, prairie.

a)

climax community

b)

primary succession

c)

secondary succession

d)

ecological succession

39.
What type of succession is shown going from figure A to figure B?
a)
primary succession
b)
ecological succession
c)
secondary succession
d)
intermediate
40.
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
41.
The picture shows what type of succession?
a)
primary
b)
secondary
c)
tertiary
d)
quadanary
42.
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 
43.

Which diagram best represents a climax community?

a)

Picture A

b)

Picture B

c)

Picture C

d)

Picture D

44.

What is an invasive species?

a)

An organism that is new to an environment that has positive effects on the environment.

b)

An organism that is native to an environment that has negative effects on the environment.

c)

An organism that is new to an environment that has negative effects on the environment.

d)

An organism that is native to an environment that has positive effects on the environment.

45.

Invasive species can have a major impact on the ecosystem.

a)

TRUE

b)

FALSE

46.

Invasive species alter the ecosystem by ______ in number quickly. This leads to ______ food for the native species.

a)

increasing, less

b)

increasing, more

c)

decreasing, less

d)

decreasing, more

47.

A relationship that occurs when two or more organisms of the same species need the same resource at the same time

a)

competition

b)

symbiosis

c)

predation

48.
in this food web, the lizard and the hawk have this relationship
a)

mutualism

b)

commensalism

c)

predator/prey

d)

parasitsm

49.

A top predator from the food web is a

a)

white egret (bird)

b)

frog

c)

spider

d)

insect

50.

A niche is ________________.

a)

The biotic and abiotic factors in an ecosystem.

b)

The roll we had with our meal.

c)

The habitat of an organism.

d)

The role (job) of an organism in an ecosystem.

51.
Which is an example of parasitism?
a)
cat and mouse
b)
tadpole and frog
c)
human and tapeworm
d)
caterpillar and butterfly
52.

Which of the following are Non-Renewable energy resources? (Check all that apply.)

a)

coal

b)

wind

c)

solar

d)

nuclear

53.

Renewable or Nonrenewable: Coal

a)

Renewable

b)

Nonrenewable

54.

Renewable or Nonrenewable: Oil

a)

Nonrenewable

b)

Renewable

55.

Renewable or Nonrenewable: Sunlight

a)

Renewable

b)

Nonrenewable

56.

Renewable or Nonrenewable: Water

a)

Nonrenewable

b)

Renewable

57.

What is a natural resource?

a)

Material from the Earth that people use for their needs.

b)

A place hidden in the mountains.

c)

An object made from natural things.

58.

__________ is an energy resource that WILL NOT run out in the next several hundred years.

a)

Renewable Energy Resource

b)

Non-Renewable Energy Resource

59.

__________ is an energy resource that WILL run out in the next several hundred years.

a)

Renewable Energy Resource

b)

Non-renewable Energy Resource

60.

A species that plays a critical role in the health, maintenance, growth, or definition of an ecosystem.

a)

keystone

b)

invasive

c)

engineer

d)

predator

61.
Which human activity would preserve nonrenewable resources?
a)
deforestation
b)
removing carnivores from a forest 
c)
recycling
d)
heating homes with fossil fuels  
62.

Many common products, such as wooden furniture, paper, and books, are made from trees. Which of the following is a likely consequence of humans cutting down a forest in order to make use of the natural resources there?

a)

the decrease of chemical runoff into the oceans

b)

increased acid rain

c)

the destruction of habitats

63.

The process of a species disappearing forever.

a)

Pollution

b)

Resource

c)

Contaminant

d)

Extinction

64.

____________ is the number of different species of plants and animals in an area.

a)

Per capita

b)

Address

c)

Biology

d)

Biodiversity

65.

What environmental problem can you detect in the picture?

a)

produce fumes

b)

volunteer to plant trees.

c)

deforestation.

66.

An example of habitat destruction is

a)

planting trees

b)

cleaning up oil spills

c)

clearing a tropical rainforest

d)

preventing nonpoint-source pollution

67.

A natural resource that can be replaced at the same rate at which it is consumed is a

a)

biodegradable resource

b)

renewable resource

c)

nonrenewable resource

68.

A natural resource that forms slower than the rate at which it is consumed by humans.

a)

biodiversity

b)

renewable resource

c)

nonrenewable resource

69.

Which of the following can cause pollution?

a)

noise

b)

garbage

c)

chemicals

d)

all of the above

70.
Which of the following resources pollutes our environment?
a)
Oil
b)
Water
c)
Trees
d)
All of the above
71.

Increasing the amount of greenhouse gasses in the atmosphere will cause global temperatures to

a)

Increase

b)

Decrease

c)

Stay the same

72.

This human activity is indirectly responsible for all other human impacts on Earth.

a)

overpopulation

b)

global warming

c)

water pollution

d)

air pollution

73.

This is caused by chemicals (CFCs) released into the air and breaking down the atmosphere.

a)

ozone depletion

b)

acid rain

c)

biogeochemical cycling

d)

atmospheric poisoning

74.

What is wrong with introducing non-native species to an area?

a)

they can take over the habitat of natural species

b)

they hunt and eat the natural species

c)

they are too large to survive in the area

d)

nothing, they help by adding new prey

75.

The reason we don't run out of resources like carbon, oxygen, and water is because

a)

there is plenty available on Earth

b)

we have enough now, but we will run out in the future

c)

they bond with each other to create more

d)

they are cycled through ecosystems