Food chain & food web

1. z
Food Chain &
Food Web

2. z
Food Chain: Pathway of energy flow from one living thing
to another in an ecosystem
Food Chain

3. z
Food Web: link up of all possible food chains in an ecosystem
Food Web

4. z
A food web is made of food chains!
What is the difference?

5. z
Food Pyramid: A food
chain represented in a
pyramid. Producers at the
bottom and predators get
larger as you got up. You
need more producers, so
their section is largest.
Food Pyramid

6. zProducer: Organism that uses energy to create its own
food
Consumer: Organism that feeds on other living
organisms for energy (Example: all animals)
Decomposer: Organism that breaks down the bodies or
parts of dead plant or animal matter into smaller pieces
(decay) (example: fungi, mushrooms, mould)

7. z
Are these producers, consumers or decomposers?
What is this?
Maggots
decomposer
consumer
producer

8. zHerbivore: Eats plants
Carnivore: Eats animals
Omnivore: Eats plants and animals
Scavenger: Animal that eats the dead remains and
wastes of other animals and plants (example: crows,
ravens, maggots)