Eco Roles
Other eco roles
Pyramid Schemes
Numb3rs
100

Make their own food 

What are Producers?

100

Top of the food chain; eats any of the others 

What are apex consumers? (Apex predators)

100

Group of organisms that occupy the same level in a food chain

What is a trophic level?

100
The unit of measurement for energy pyramids.

What is a joule?

200

Any organism that gets its energy from other organisms 

Who are consumers?

200

Scavengers like ravens and earthworms

What are detritivores?

200

Models the total amount of biomass in an ecosystem

What is a biomass pyramid?

200

The percentage decrease of biomass between each trophic level.

What is 90%

300

Consume producers directly

Who are primary consumers?

300

Bacteria, archaea, and fungi fill this niche in the environment

Decomposers

300

The amount of energy transferred between trophic levels?

What is 10%?

300

Amount of energy for secondary consumers if producers have 25,000 joules.

What is 250 joules?

400

Eats producers and other consumers 

Who are secondary consumers?

400

Show a simple interaction between species in an ecosystem

What is a food chain?

400

A model used to compare trophic levels in different ways.

What is an ecological pyramid?

400

Amount of energy for producers when there is 500,000 joules of sunlight.

What is 50,000?

500

Consumes only other consumers 

Who are tertiary consumers?

500

Demonstrate complex interactions between species in an ecosystem

What is a food web?
500

Models the distribution of energy across trophic levels

What is an energy pyramid?


500

The amount of energy in tertiary consumers if producers have 700,000 joules.

What is 70 joules?