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Components and Interaction in the Ecosystem

Total questions: 10

Worksheet time: 3mins

Name
Class
Date
1.

What kind of predation is shown in the image?

a)

carnivory

b)

herbivory

c)

parasitism

d)

omnivory

2.

In an ecosystem, there are populations of rats, snakes, deer, grass and pine trees. Suddenly, a fire blazes through the area which kills all of the population. As the months go on, new species of grass begin to take root. This attracts animals and eventually, ecosystem is restored.

a)

Tertiary succession

b)

Primary succession

c)

Secondary succession

d)

None of the Above

3.

The non-living aspect of the ecosystem

(a)  

4.

A collection of organisms that make up a community as well as well as all of the non-living aspects of the environment.

a)

Community

b)

Population

c)

Ecosystem

d)

Habitat

5.

In the wild, some orchids attached and grow on the branches or trunks of a tree and gets their nutrients from it. The tree for sometime got dried and die. What type of symbiosis is that?

a)

Parasitism

b)

Mutualism

c)

Commensalism

d)

Neutralism

6.

Bacteria and fungi are _______ and they play a very important role in the ecosystem because they recycle nutrients.

a)

abiotic factors

b)

phreatophytes

c)

xerophytes

d)

decomposers

7.

Ferns and other photosynthetic organisms are known as ________.

a)

heterotrophs and primary producers

b)

heterotrophs and primary consumers

c)

autotrophs or primary consumers

d)

autotrophs and secondary consumers

8.

A distasteful or unpalatable species demonstrate its threat to potential predators by displaying a __________.

a)

character displacement

b)

aposematic coloration

c)

cryptic coloration

d)

competitive exlcusion

9.

What is this picture describing?

a)

It is describing direct competition between flamingos and ducks.

b)

it is describing natural selection.

c)

It is describing abiotic factor of tundra.

d)

It is describing the niche of each bird.

10.

When an organism matches its background, hiding and camouflaging from predators or prey, this is called ________.

a)

mimicry

b)

cryptic coloration

c)

aposematic coloration

d)

camouflage