Free Printable Interactions and Ecosystems topic 1

Free Printable Worksheets

Worksheets

Interactions and Ecosystems topic 1

Total questions: 38

Worksheet time: 19mins

Name

Class

Date

1.

A group of organisms that have common characteristics and can reproduce to breed offsprings is called.......

a)

ecosystem

b)

community

c)

species

d)

population

2.

A group of organisms of the same species that live in the same habitat is called .....

a)

species

b)

population

c)

community

d)

ecosystem

3.

A community is a few species of different organisms that live together in one habitat and have mutual interaction with one another.

a)

True

b)

False

4.

The non-living parts of an organism's environment are called...

a)

community

b)

biotic factors

c)

habitat

d)

abiotic factors

5.

Water, Sunlight, Oxygen and Soil are all parts of an organisms ______________ environment.

a)

biotic

b)

abiotic

c)

living

6.

Choose the correct levels of Organization from lowest to highest...

a)

population, community, ecosystem, organism

b)

organism, population, community, ecosystem

c)

organism, population, ecosystem, community

7.

The living parts of an organisms environment are called its...

a)

community

b)

habitat

c)

biotic factors

d)

abiotic factors

8.

Look at the picture carefully. Decide if the picture shows a population or a community.

All of the animals in the rain forest.

a)

Population

b)

Community

9.

Look at each picture carefully. Decide if the picture shows a population or a community.

The deer in the forest.

a)

Population

b)

Community

10.

Look at each picture carefully. Decide if the picture shows a population or a community.

The sharks in the Pacific Ocean.

a)

Population

b)

Community

11.

Look at each picture carefully. Decide if the picture shows a population or a community.

All the species in the ocean.

a)

Population

b)

Community

12.

Look at each picture carefully. Decide if the picture shows a population or a community.

The penguins in Antarctica.

a)

Population

b)

Community

13.

Look at each picture carefully. Decide if the picture shows a population or a community.

All the organisms in the desert.

a)

Population

b)

Community

14.

Look at each picture carefully. Decide if the picture shows a population or a community.

The Cardinals in Virginia.

a)

Population

b)

Community

15.

Look at each picture carefully. Decide if the picture shows a population or a community.

All the animals in the grasslands.

a)

Population

b)

Community

16.

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

17.

A relationship between two organisms in which one organism benefits and the other is unharmed...

a)

Mutualism

b)

Competition

c)

Parasitsm

d)

Commensalism

18.

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

19.

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

20.

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

21.

A relationship between two organisms in which both organisms benefit.

a)

Mutualism

b)

Competition

c)

Parasitsm

d)

Commensalism

22.

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

23.

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

24.

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

25.

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

26.

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

27.

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

28.

Barnacles create home sites by attaching themselves to whales. This neither harms nor benefits the whales. What kind of relationship is this?

a)

Mutualism

b)

Parasitism

c)

Commensalism

29.

A relationship between two organisms in which one organism benefits and the other is unharmed...

a)

Mutualism

b)

Competition

c)

Parasitsm

d)

Commensalism

30.

Remoras are fish that swim alongside sharks, eating scraps that the sharks leave behind. This is an example of:

a)

Amensalism

b)

Commensalism

c)

Parasitism

d)

Mutualism

31.

Mistletoe is a plant that grows in the branches of other plants. It grows by taking nutrients and water from these plants. This is an example of:

a)

Mutualism

b)

Commensalism

c)

Parasitism

d)

Amensalism

32.

Yucca flowers are pollinated by yucca moths. The moths lay their eggs in the flowers where the larvae hatch and eat some of the developing seeds. Both species benefit.

a)

parasitism

b)

commensalism

c)

mutualism

33.

The stork uses it saw-like bill to cut up the dead animals it eats. As a result, the dead animal carcass is accessible to some bees for food and egg laying. The relationship neither harms nor benefits the stork.

a)

parasitism

b)

commensalism

c)

mutualism

34.

In a parasitic relationship, one organism is ___________ and one organism is benefiting.

a)

helped

b)

harmed

c)

not effected

d)

happy

35.

In a mutual relationship, both organisms are ________________.

a)

hurt

b)

not effected

c)

harmed

d)

benefiting

36.

Commensalism is where one organism is benefiting and the other organism is _____________________.

a)

not effected

b)

helped

c)

harmed

d)

hurt

37.

A mite lives in the base of the eyelashes of people who use mascara. It feeds on the mascara; it does not seem to harm people. What type of symbiotic relationship is this?

a)

mutualism

b)

commensalism

c)

parasitism

d)

predation

38.

Living and non-living things interacting in the same place is called a(n):

a)

Community

b)

Population

c)

Interaction hub

d)

Ecosystem

Reset

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