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Ecosystem Vocab

Total questions: 16

Worksheet time: 8mins

Name
Class
Date
1.

An ecosystem is

a)

an animal

b)

the world

c)

organisms interacting with their physical environment

2.

An ecosystem is

a)

an animal

b)

the world

c)

organisms interacting with their physical environment

3.

An organism is

a)

a biome

b)

an ecosystem

c)

a living thing that can act independently

d)

snow

4.

Biodiversity is

a)

an environment

b)

the variety of plant and animal life in a habitat

c)

a species

d)

a dog

5.

A species is

a)

a building

b)

a spider

c)

a category of organisms whose members can interbreed

d)

a season

6.

The position an organism occupies in a food chain

a)

Trophic Level

b)

Biome

c)

Biodiversity

d)

Mutualism

7.

An organism that lives on another living organism causing it harm

a)

Scavenger

b)

Parasitism

c)

Decomposer

d)

Consumer

8.

An organism that gets its food by breaking down the remains of dead organisms and returns the nutrients back to the soil

a)

Decomposer

b)

Scavenger

c)

Population

d)

Commensalism

9.

An autotrophic organism that makes its own food with light

a)

Consumer

b)

Decomposer

c)

Scavenger

d)

Producer

10.

An organism that eats other organisms for energy

a)

Producer

b)

Scavenger

c)

Consumer

d)

Decomposer

11.

A symbiotic relationship in which each of the organisms benefits

a)

Mutualism

b)

Commensalism

c)

Symbiosis

d)

Parasitism

12.

A symbiotic relationship in which one organism benefits and the other organism neither benefits nor is harmed

a)

Mutualism

b)

Commensalism

c)

Symbiosis

d)

Parasitism

13.

A group of the same species that live together in an area

a)

Consumer

b)

Population

c)

Community

d)

Ecosystem

14.

largest number of individuals of one species that an ecosystem can support over time

a)

carrying capacity

b)

community

c)

population density

15.

series of chemical reactions that convert the energy in food molecules into a usable source of energy called ATP

a)

photosynthesis

b)

cellular respiration

c)

cycle

16.

model that shows the amount of energy available in each link of a food chain

a)

energy pyramid

b)

food web

c)

food chain