• Order in which animals eat plants and other animals.

• Each part of a food chain is a link connected to other links.

1.)Producers

2.) Consumers

(a) Herbivores

(b) Carnivores

(c) Omnivores

3.)

-Those Organisms Which Produces Food Are Called Producers.

-The Example Of Producers Are Green Plants And Certain Blue-Green Algae.

- Those Organisms Which Consume Food Prepared By Producers Are Called Consumers.

- All The Animals Are Consumers.

- If An Animal Eats Grass or Other Green Plants Or Their Products Itself We Say That It Gets The Food From Producers Directly.

- If An Animal Eats The Meat Of Other Animal (Which Eats Grass), Then We Say That It Gets The Food From Producer

Indirectly.

Consumers Can Be Further Divided Into Three Groups

• Herbivores– Eat Only Plants.

E.g.- Cow, Goat, Horse,

Deer.

• Carnivores– Eat Only Other Animals.

E.g. – Lion, Tiger, Frog, Vulture.

• Omnivores– Eat Plants & Animals.– E.g. – Humans, Dog,

Crow.

• It involves one Organism

at each trophic level.

– Primary Consumers – Eat

autotrophs (producers).

– Secondary Consumers –

Eat the primary consumers.

– Tertiary Consumers – Eat

the secondary consumers.

– Decomposers – Bacteria

and Fungi that break down

dead organisms and

recycle the material back

into the environment.

Deer(Herbivores)

Grass(Producer)

Lion (Carnivores)

Plant InsectsFrog

Bear

Producer (trapped sunlight & stored food)

1st order Consumer

2nd Order Consumer

3rd

Order consumer 4th Order

Consumer

Energy flows through an ecosystem in one direction

from producers to various levels of consumers.

• Food Chain–Simple Energy path through an ecosystem.

• Food Web–More realistic path through an ecosystem made of many food chains.

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