food chain
What is a food chain
a sequence of organisms, each of which uses the next,
lower member of the sequence as a food source1
Important
•In a food chain each organism obtains energy from the one at the level below.
•Plants are called producers because they create their own food through photosynthesis3
Animals are consumers because they cannot create their own food
Primary Producers
Primary producers are “organisms capable of producing their own food4
Examples of primary producers include algae, phytoplankton, and large plants
Primary producers are eaten by primary consumers
What is a Producer?
An animal that eat plants
An animal that eats meat
is a plant that produces their own food
An animal that grows really tall
which one is a Producer?
Where do all life forms get their energy?
Earth's Core
Water
Plants
The Sun
Four types of consumer
•Herbivores: animals that eat only plants3
Carnivores: animals that eat only other animals3
Omnivores: animals that eat animals and plants3
•Detritivores: Animals that eat dead materials and organic wastes
Classify Consumers
Primary Consumers: Herbivores3
Secondary Consumers: Carnivores that eat herbivores3
Tertiary Consumers: Carnivores that eat other carnivores3
What is a consumer?
Organism that creates their own food.
Organism that eat other organisms for energy
Organism that eat other dead organisms
Detritivore
•Worms are common detritivores in many ecosystems including marshes