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Ecosystem and Community Dynamics Quiz

Total questions: 15

Worksheet time: 8mins

Name
Class
Date
1.

A symbiotic relationship where 2 or more organism benefit is called-

a)

parasitism

b)

commensalism

c)

mutualism

d)

symbiosis

2.

Fungi is an example of a(n)-

a)

scavenger

b)

autotroph

c)

heterotroph

d)

decomposer

3.

What type of succession occurs after a natural process such as fire or flood?

a)

primary succession

b)

secondary succession

c)

old field succession

d)

climax community

4.

What is the primary energy source for all living things on the surface of Earth?

a)

plants

b)

water

c)

the sun

d)

heat from Earth's mantle

5.

Energy pyramids are broader at the base and narrow at the apex, as energy-

a)

decreases along the food chain

b)

increases along the food chain

c)

remains the same along the food chain

d)

may increase or decrease

6.

What type of vegetation would you expect to find on newly formed volcanic islands?

a)

short grasses

b)

shrubs

c)

young trees

d)

lichens

7.

What are organisms that eat both plants and animals called?

a)

herbivore

b)

carnivore

c)

autotroph

d)

omnivore

8.

When a top predator or primary produce is removed from an ecosystem, we can see changes throughout the ecosystem. This is called-

a)

ecological problem effect

b)

decreasing energy effect

c)

ecological cascade effect

d)

increasing energy effect

9.

What do arrows on a food web represent?

a)

which organisms are autotrophs

b)

Which organisms eat each other

c)

the flow of water through the food web

d)

the flow of energy through the food web

10.

Living or dead (once living ) organisms

a)

abiotic factors

b)

biotic factors

c)

species

d)

niche

11.

The role an organism plays in an ecosystem

a)

habitat

b)

biotic factors

c)

abotic factors

d)

niche

12.

All of the black widow spiders living in a certain area is called a(n)-

a)

species

b)

population

c)

community

13.

Air, water, rocks-

a)

biotic factors

b)

niche

c)

species

d)

abiotic factors

14.

Of a leaf from a tree contains 30 calories of energy and the leaf is totally consumed by a grasshopper, which is then consumed by a songbird about how much energy from the leaf is available to the songbird?

a)

300

b)

30

c)

3

d)

.3

15.

What can we call an organism that feeds on producers?

a)

secondary consumer

b)

autotrophs

c)

carnivores

d)

primary consumers