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Interactions in Ecosystems

Total questions: 41

Worksheet time: 52mins

Name
Class
Date
1.

A habitat is ___________________.

a)

the place or kind of place in which an animal or plant naturally lives.

b)

is how plants produce their own food.

c)

is an animal that only eats meat.

d)

the place where only one animal lives.

2.

A niche ________________.

a)

is the function that an organism performs in the food web of that community.

b)

includes everything else the organism does and needs in its environment.

c)

is specific to each individual animal and plant.

d)

All of the above.

3.

A squirrels niche would be _________________.

a)

hunting prey and providing meat for other squirrels.

b)

searching for fish to eat in the ocean.

c)

staying busy storing nuts and seeds for winter.

d)

help decompose other animals and plants.

4.

An organism’s habitat provides _____________________.

a)

food, water, shelter, and space.

b)

food, water, and clothes.

c)

only food.

d)

video games, ninjas, and baked beans.

5.

A squirrels habitat would be _____________.

a)

Ocean

b)

Arctic

c)

Forest

d)

Dessert

6.

A whale's niche would be which of the following?

a)

eating plankton and krill.

b)

eating sharks and dolphins.

c)

eating hamburgers and fries.

d)

eating other whales.

7.

What is shown in the image?

a)

Habitat

b)

Niche

8.

What is shown in the image?

a)

Habitat

b)

Niche

9.

What is a Niche of a honeybee?

a)

Pollenating Flowers

b)

A Honeycomb

c)

Eating other insects.

d)

Swimming.

10.

What ecological relationship is depicted between Pumba (warthog) and the bugs?

a)

Competition, because pumba is in competition with the bugs for food sources

b)

Mutualistic, because Pumba and the bugs benefit each other

c)

Predator-Prey, because Pumba is a predator that consumes bug as prey

11.

Marlin and his son, Nemo, are clownfish that live in a sea anemone. Clownfish benefit by receiving protection and shelter from the sea anemone. The clownfish, in return, scares away predators of the sea anemone and provides nutrients for the sea anemone through its excrement (waste). The symbiotic relationship between Nemo and the sea anemone is known as -

a)

parasitism

b)

commensalism

c)

predator-prey

d)

competition

e)

mutualism

12.

The flock of white seagulls that are fighting over a single food source (Nemo & Dory) depicts which ecological relatioship?

a)

Intraspecies Competition

b)

Mutualism

c)

Parasitism

d)

Commensalism

13.

The pearlfish receives protection from predators by living inside a sea cucumber. The sea cucumber is not affected during this interaction. This ecological relationship is known as -

a)

predator-prey because the pearlfish is prey to the sea cucumber

b)

mutualism because only the pearlfish benefits in this ecological relationship

c)

parasitism because the pearlfish causes harm to the host sea cucumber

d)

commensalism because only the pearlfish benefits while the sea cucumber is not affected

e)

competition because the sea cucumber and pearlfish often fight for living space

14.

The video clip depicts two whales of the same species chasing after and fighting for the food source (penguins). The two ecological relationships depicted in this scene are -

a)

Interspecies Competition

b)

Mutualism

c)

Parasitism

d)

Predator-Prey relationship

e)

Intraspecies Competion

15.

A pair of red, male kangaroos are seen fighting over a potential mate. The ecological relationship between the two male kangaroos shown is -

a)

Commensalism

b)

Mutualism

c)

Predator-Prey

d)

Competition

16.

What do you call an animal that only eats plants?

a)

niche

b)

carnivore

c)

parasite

d)

herbivore

e)

predator

17.

What is the general term used to describe the interaction between two different organisms that are living in close physical association?

a)

photosynthesis

b)

symbiosis

c)

habitat

d)

prey

e)

omnivore

18.

This term describes a consumer that feeds only on other consumers - in other words, the 'opposite' of vegan…

a)

mutualsim

b)

niche

c)

prey

d)

autotroph

e)

carnivore

19.

The animal in an ecological relationship that results in another animal being hunted, killed, and eaten…

a)

autotroph

b)

habitat

c)

predator

d)

herbivore

e)

producer

20.

The non-living part of the natural environment where an animal, plant or other organism lives…

a)

niche

b)

habitat

c)

community

d)

ecosystem

e)

biosphere

21.

An ecological symbiotic relationship between two organisms where one benefits and the other is harmed…

a)

parasitism

b)

herbivore

c)

mutualism

d)

carnivore

e)

commensalism

22.

This is the job or role of a specific organism within its habitat...

a)

producer

b)

prey

c)

carnivore

d)

niche

e)

photosynthesis

23.

What you would call an ecological symbiotic relationship between two organisms where one benefits, but the other is not helped or harmed?

a)

mutualsim

b)

predator

c)

commensalism

d)

parasitism

e)

herbivory

24.

The name of the process that producers use to make their own food…

a)

respiration

b)

commensalism

c)

food chains

d)

photosynthesis

e)

symbiosis

25.

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

a)

photosynthesis

b)

autotroph

c)

consumer

d)

carnivore

e)

herbivore

26.

Technically speaking, ALL food chains should end with these types of organisms so that nutrients can be recycled back into the habitat…

a)

parasites

b)

predators

c)

herbivores

d)

symbiotes

e)

decomposers

27.

What is the term used to describe ALL of the populations of ALL the species of living organisms within a particular habitat?

a)

savanna

b)

wildlife

c)

community

d)

habitat

e)

ecosystem

28.

The term used to include all of the living things PLUS all the non-living things together in a specific environment...

a)

community

b)

biosphere

c)

habitat

d)

population

e)

ecosystem

29.

What do you call the total count of a specific organism living within their natural habitat?

a)

ecosystem

b)

community

c)

population

d)

symbiosis

e)

niche

30.

What ecological relationship is depicted between Pumba (warthog) and the bugs?

a)

Competition, because pumba is in competition with the bugs for food sources

b)

Mutualistic, because Pumba and the bugs benefit each other

c)

Predator-Prey, because Pumba is a predator that consumes bug as prey

31.

Marlin and his son, Nemo, are clownfish that live in a sea anemone. Clownfish benefit by receiving protection and shelter from the sea anemone. The clownfish, in return, scares away predators of the sea anemone and provides nutrients for the sea anemone through its excrement (waste). The symbiotic relationship between Nemo and the sea anemone is known as -

a)

parasitism

b)

commensalism

c)

predator-prey

d)

competition

e)

mutualism

32.

The flock of white seagulls that are fighting over a single food source (Nemo & Dory) depicts which ecological relatioship?

a)

Intraspecies Competition

b)

Mutualism

c)

Parasitism

d)

Commensalism

33.

The pearlfish receives protection from predators by living inside a sea cucumber. The sea cucumber is not affected during this interaction. This ecological relationship is known as -

a)

predator-prey because the pearlfish is prey to the sea cucumber

b)

mutualism because only the pearlfish benefits in this ecological relationship

c)

parasitism because the pearlfish causes harm to the host sea cucumber

d)

commensalism because only the pearlfish benefits while the sea cucumber is not affected

e)

competition because the sea cucumber and pearlfish often fight for living space

34.

The video clip depicts two whales of the same species chasing after and fighting for the food source (penguins). The two ecological relationships depicted in this scene are -

a)

Interspecies Competition

b)

Mutualism

c)

Parasitism

d)

Predator-Prey relationship

e)

Intraspecies Competion

35.

A pair of red, male kangaroos are seen fighting over a potential mate. The ecological relationship between the two male kangaroos shown is -

a)

Commensalism

b)

Mutualism

c)

Predator-Prey

d)

Competition

36.

Which of the following answer choices best fits the definition of a keystone species? (From Worksheet: Keystone Species 101)

a)

any organism that is the glue that holds a habitat together

b)

plants that help spread the energy of the sun

c)

animals that are affected by other organisms and their activity

d)

animals that have no significant contributions to an ecosystem

37.

Which of the following answer choices best fits the definition of a keystone prey? (From Worksheet: Keystone Species 101)

a)

impact other predators as well as other animal and plant species farther down the food chain

b)

serve as a critical food source for predator populations

c)

create, modify, or maintain the landscape around them

d)

two or more species that engage in reciprocally vital interactions

e)

producers that provide a critical source of food and/or shelter for other species

38.

Which of the following answer choices best fits the definition of a keystone predator? (From Worksheet: Keystone Species 101)

a)

impact other predators as well as other animal and plant species farther down the food chain

b)

serve as a critical food source for predator populations

c)

create, modify, or maintain the landscape around them

d)

two or more species that engage in reciprocally vital interactions

e)

producers that provide a critical source of food and/or shelter for other species

39.

Which of the following answer choices best fits the definition of a ecosystem engineer? (From Worksheet: Keystone Species 101)

a)

impact other predators as well as other animal and plant species farther down the food chain

b)

serve as a critical food source for predator populations

c)

create, modify, or maintain the landscape around them

d)

two or more species that engage in reciprocally vital interactions

e)

producers that provide a critical source of food and/or shelter for other species

40.
What are animals called in a food chain?
a)
Producers
b)
Consumers
c)
Decomposers
d)
Plants
41.
Where does the energy start in this food chain?
a)
Plant
b)
Sun
c)
Deer
d)
Wolf

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