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Ecology Test Review

Total questions: 45

Worksheet time: 31mins

Name
Class
Date
1.

How do plants obtain energy? (pick 2)

a)

Photosynthesis

b)

Solar Energy

c)

Picturesynthesis

d)

Water energy

e)

Consuming other organisms

2.

Select all of the following that are examples of ways that humans POSITIVELY affect food chains & ecosystems with their actions (pick 2)

a)

Spraying pesticides

b)

Poaching animals

c)

Helping endangered species

d)

Overharvesting organisms

e)

Placing artificial reefs to protect organisms

3.

Select all of the following that are examples of ways that humans NEGATIVELY affect food chains & ecosystems with their actions (pick 3)

a)

Spraying pesticides

b)

Poaching animals

c)

Helping endangered species

d)

Overharvesting organisms

e)

Placing artificial reefs to protect organisms

4.

Select the organism that is a producer

a)

Sunflower

b)

Deer

c)

Lion

d)

Vulture

5.

Select the organism that is a consumer (multiple)

a)

Sunflower

b)

Deer

c)

Lion

d)

Vulture

6.

Select the organism that is an autotroph

a)

Sunflower

b)

Deer

c)

Lion

d)

Vulture

7.

Select the organism that is a heterotroph (multiple)

a)

Sunflower

b)

Deer

c)

Lion

d)

Vulture

8.

Select the organism that is a scavenger

a)

Sunflower

b)

Deer

c)

Lion

d)

Vulture

9.

Select the decomposer (multiple)

a)

Bunny

b)

Bacteria

c)

Mushrooms

d)

Vulture

e)

Rhino

10.

Organisms that create their own food (multiple)

a)

Producers

b)

Primary Consumers

c)

Secondary Consumers

d)

Tertiary Consumers

e)

Autotroph

11.

Organisms that eat plants to obtain energy & nutrients (multiple)

a)

Producers

b)

Primary Consumers

c)

Secondary Consumers

d)

Tertiary Consumers

e)

Heterotroph

12.

Organisms that eat primary consumers to obtain energy & nutrients (multiple)

a)

Producers

b)

Primary Consumers

c)

Secondary Consumers

d)

Tertiary Consumers

e)

Heterotroph

13.

Organisms that eat secondary consumers to obtain energy & nutrients (multiple)

a)

Producers

b)

Primary Consumers

c)

Secondary Consumers

d)

Tertiary Consumers

e)

Heterotroph

14.

A symbiotic relationship in which one species benefits while the other species is harmed.

a)

Parasitism

b)

Commensalism

c)

Mutualism

d)

Predation

e)

Competition

15.

A symbiotic relationship in which both species benefit.

a)

Parasitism

b)

Commensalism

c)

Mutualism

d)

Predation

e)

Competition

16.

A symbiotic relationship in which one species benefits while the other species are not affected.

a)

Parasitism

b)

Commensalism

c)

Mutualism

d)

Predation

e)

Competition

17.

Select the 3 forms of symbiotic relationships among species

a)

Parasitism

b)

Commensalism

c)

Mutualism

d)

Predation

e)

Competition

18.

The pearlfish spends its day in the intestines of the sea cucumber and emerges at night to feed on small crustaceans. This does not appear to harm the sea cucumber.

a)

Parasitism

b)

Commensalism

c)

Mutualism

d)

Predation

e)

Competition

19.

Fleas live on the cat’s body and eat its blood. They cause irritation to the cat and may transmit the disease to the cat.

a)

Parasitism

b)

Commensalism

c)

Mutualism

d)

Predation

e)

Competition

20.

Oxpeckers are a small bird commonly found on rhinoceroses. The oxpecker feeds on the parasites that cover the rhinoceroses’ skin. The bird gets a meal and the rhinoceros is relieved of the harmful parasites.

a)

Parasitism

b)

Commensalism

c)

Mutualism

d)

Predation

e)

Competition

21.

In food webs, energy ______________________ as it travels from producers to consumers.

a)

Decreases

b)

Increases

c)

Stays constant

22.

Examples of biotic factors are: (multiple)

a)

Solar energy

b)

Temperature

c)

Plants

d)

Animals

e)

Dead organisms

23.

Examples of abiotic factors are: (multiple)

a)

Solar energy

b)

Temperature

c)

Plants

d)

Animals

e)

Dead organisms

24.

Limiting factors help to control populations so they do not reach above their carrying capacity. Organisms compete for these factors in order to survive. Select the examples of limiting factors in the situations below. (multiple)

a)

The number of desks in a classroom

b)

The amount of water, food, sunlight and organism has access to

c)

When a population is facing a disease, decreasing the number of individuals

d)

Limiting factors don't affect carrying capacity

25.

Competition among organism happens when organisms need to obtain the same resource. Select the examples below that show possible competition in the food web (multiple)

a)

Plants that are near each other compete for nutrients in the soil

b)

Foxes and Rabbits compete for nutrients from Owls

c)

Kestrel and Tawny Owl compete for the Mouse

d)

Mouse competes for nutrients from the fox, kestrel, and tawny owl

26.

Artificial Reefs are:

a)

Only negative for the ecosystem, with no positive outcomes

b)

Only positive for the ecosystem, with no negative outcomes

c)

Both positive and negative for an environment

27.

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.

28.

This is the organisms with traits best suited to their environment are more likely to survive and reproduce.

a)

Variation

b)

Mutation

c)

Natural Selection

d)

Gradualism

29.

This is any variation that makes an organism better suited to its environment.

a)

Evolution

b)

Graduation

c)

Species

d)

Adaptation

30.
When there is higher biodiversity
a)
more organisms are likely to die because they can't adapt to environmental changes.
b)
there is less diversity.
c)
there is more diversity and higher sustainability of life.
d)
there is more diversity and lower sustainability of life
31.
All energy transformations in an ecosystem begin with
a)
a scavenger
b)
the sun
c)
a decomposer
d)
a herbivore
32.
a deer population has significantly increased, the best hypothesis is 
a)
the deer's main predator has been eliminated
b)
competition increased
c)
decreased water levels of local ponds
d)
organisms that rely on similar food sources migrated to the area
33.
Which event is the best example of competition between species in a pond?
a)
dragonflies landing on lily pads
b)
lizards and snakes lying in the sun
c)
hawks eating mice
d)
frogs and toads eating flies
34.
Which relationship describes predator/prey
a)
hawks and shrubs
b)
mountain lion and deer
c)
frogs and trees
d)
grasses and crickets
35.
In Australia the farmers had a problem with beetles eating the sugar cane. So they introduced the cane toad to control that population. Instead of eating the beetles, they ate the source of food and other organisms. What would be a possible consequence of this?
a)
The other organisms attacks the toad population
b)
The ecosystem would be destroyed
c)
The cane toads would get too much food and die
d)
The food web was changed by this one organism
36.
The rabbit in this food web would be considered a:
a)
Decomposer
b)
Producer
c)
Secondary Consumer
d)
Primary Consumer
37.
Which of these consumers is an omnivore?
a)
Sea Urchins
b)
Small herbivorous fishes and invertebrates
c)
Sharks
d)
Sea Otters
38.
Which organism in the food web is a producer?
a)
Mouse
b)
Owl
c)
Green Plant
d)
Snake
39.
Which organism in this food web is an herbivore?
a)
Frog
b)
Grasshopper
c)
Mouse
d)
Snake
40.
Which organism in this food web is a carnivore?
a)
Mouse
b)
Grasshopper
c)
Green Plant
d)
Snake
41.
Which organisms in this food web can be a primary or a secondary consumer?
a)
Benthic Invertebrates and bald eagle
b)
Small Plankivorous Fish and Bivalves
c)
Bivalves and Zooplankton
d)
Zooplankton and Vegetation
42.

Which of the following is NOT a source of pollution in the ocean?

a)

Nitrogen and phosphorus from fertilizers used on land.

b)

Oils found on city streets.

c)

Sand drifting along the bottom of the ocean floor.

d)

Emissions from gas-burning vehicles.

43.

These are sources of pollution in the ocean from humans: (multiple)

a)

Oil Spills

b)

Plastics

c)

Runoff

d)

Wind

44.

Which is a true statement?

a)

Humans depend on oxygen, plants depend on carbon dioxide

b)

Plants produce carbon dioxide

c)

Humans depend on carbon dioxide, plants depend on oxygen

d)

Humans don't depend on plants for the air they need

45.

Why does human life depend on the oceans? (multiple)

a)

Transportation of goods

b)

For food sources

c)

Water energy

d)

To act as a trash storage area

e)

So we can get a tan at the beach

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