Food webs

Eat and be eaten

Food webs and the flow of energy in ecosystems

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Eat and be eaten

Food webs and the flow of energy in ecosystems


What is passed on from one level of the food chain/food web to the next?

A

bio matter

B

energy

C

bio matter and energy

D

sometimes bio matter and sometimes energy

What is a top predator?

A

An animal who kills and eats other animals

B

An animal who kills and eats other animals very efficiently

C

An animal who kills and eats other animals and has no natural predators

D

An animal who kills and eats other animals and plants

A food web shows the flow of matter and energy between all the organisms in an ecosystem

A

True

B

False

C


D


The arrows in a food web represent the flow of

bio matter and energy from one level to the next one. In what direction do the arrows point?

A

In the direction of the organism that's being eaten

B

In the direction of the organism doing the eating

C


D


Toppredators (e.g. Pisaster) help maintain the stability of ecosystems

A

True

B

False

C


D


Producers

Primary Consumers (herbivores)

Secondary Consumers

Tertiary Consumers

Top predator

D

e

c

o

m

p

o

s

e

r

s

Consumers that only eat plants

Consumers that only eat animals

Consumers that eat plants as well as animals

Organisms that break down the remains of dead organisms

Omnivores

Herbivores

Decomposers

Carnivores