What is a producer?
An organism that makes its own food using sunlight
What is a consumer?
An organism that gets energy by eating other organisms
What is a decomposer?
An organism that breaks down dead plants and animals
What is a Food Chain?
A model that shows the flow of energy from one organism to another
What is a food web?
A model showing how food chains are connected in an ecosystem
What process do most producers use to make food?
Photosynthesis
What is a herbivore?
A consumer that eats only plants
Name one decomposer?
bacteria, fungi, or worms
What organism always starts a food chain?
A Producer
True or False: A food web is more realistic than a food chain
True
Name one example of a producer?
Plant, Grass, Trees, Algae, Phytoplankton
What is a carnivore?
A consumer that eats both plants and animals
Why are decomposers important?
They return nutrients to the soil
In the food chain: grass->rabbit->fox, what is the rabbit?
What does an energy pyramid show?
How energy decreases as it moves up trophic levels
Why are producers important to an ecosystem?
They are the base of the food chain and provide energy for all other organisms
What is an omnivore?
A consumer that eats both plants and animals
True
True or False: Energy increases as you move up the food chain
False
What level on the food pyramid has the most energy?
The producer level
True or False: Producers get energy by eating other organisms
False
A hawk eats a mouse. What type of consumer is it?
A carnivore
What would happen if decomposers disappeared?
Nutrients wouldn't return to the soil and dead organisms would pile up
What do the arrows represent in a food chain?
Energy transfer
What happens to predators if prey decreases?
Predator populations may decrease