Food Webs SC.912.L.17.9

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Food Pyramid

A diagram that shows the amount of energy that moves from one trophic level to another in a food web.

Food Web

A patterns of overlapping food chains in an ecosystem.

Herbivore

A plant-eating animal.

Scavenger

An animal that feeds on the bodies of dead organisms.

Prey

An animal that is hunted and killed by another for food.

Predation

An interaction in which one organism kills and eats another.

Heterotroph

An organism that cannot make its own food and gets food by consuming other living things.

Autotroph

An organism that makes its own food.

Primary Producer

An organism that makes its own food.

Consumer

An organism that obtains energy by feeding on other organisms (plants and animals).

Omnivore

Animal that eat both plants and animal food.

Carnivore

Animal that obtains energy by eating only animals.

Predator

Any animal that lives by killing and eating other animals.

Algae

Besides plants,name another type of organism that is a producer.

Detritivores

Consumers of non-living (dead) organic matter including leaf litter and dead bodies.

Food Chains

Energy links between different organisms in an ecosystem based on feeding habits.

10%

How much energy is available for the next trophic level?

Decomposer

Organism that breaks down dead organisms into simpler parts.

Tertiary Consumer

Organisms that eat secondary consumers

Trophic Level

The position of an organism in relation to the flow of energy and nutrients through an ecosystem (e.g., producer, consumer, and decomposer).

Photosynthesis

The process in which organisms use water along with sunlight and carbon dioxide to make food.

Fungi and Bacteria

Two species that are decomposers

The direction of the flow of energy

What is indicated by the arrows in a food web?

Producer Trophic Level

What level of an energy pyramid has the most energy?

Trophic Level 2

What trophic level are primary consumers located?

Lion

Which organism receives the least amount of energy from the producers?

Phytoplankton

Which producer is the basis of the marine food web?


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