Make their own food
What are Producers?
Top of the food chain; eats any of the others
What are apex consumers? (Apex predators)
Group of organisms that occupy the same level in a food chain
What is a trophic level?
What is a joule?
Any organism that gets its energy from other organisms
Who are consumers?
Scavengers like ravens and earthworms
What are detritivores?
Models the total amount of biomass in an ecosystem
What is a biomass pyramid?
The percentage decrease of biomass between each trophic level.
What is 90%
Consume producers directly
Who are primary consumers?
Bacteria, archaea, and fungi fill this niche in the environment
Decomposers
The amount of energy transferred between trophic levels?
What is 10%?
Amount of energy for secondary consumers if producers have 25,000 joules.
What is 250 joules?
Eats producers and other consumers
Who are secondary consumers?
Show a simple interaction between species in an ecosystem
What is a food chain?
A model used to compare trophic levels in different ways.
What is an ecological pyramid?
Amount of energy for producers when there is 500,000 joules of sunlight.
What is 50,000?
Consumes only other consumers
Who are tertiary consumers?
Demonstrate complex interactions between species in an ecosystem
Models the distribution of energy across trophic levels
What is an energy pyramid?
The amount of energy in tertiary consumers if producers have 700,000 joules.
What is 70 joules?