Trophic levels

​SWBAT: Discuss ways in which organisms compete for both Biotic and Abiotic resources

is the position an organism takes in the ​food chain

​Producers are the first level in the trophic system.

They make their own food by the energy of the sun.

They do not need any other organism to be fed.

• second trophic level

• They eat primary producers

• Ex: Caterpillars eat leaves

• largely carnivores that feed on the primary consumers or herbivores

• 3rd Trophic levels

• Those that eat Secondary consumers

• Large predators

• Biomass- the total quantity organisms in an area.

• Scarcity- Short supply (Very little of)

• Abundance-Very large quantity (there is a lot of)

• Decomposers are organisms that break down dead or decaying organisms

• perform a valuable service as Earth's cleanup crew

vs

producers-make own food

Begin IP

DRAW where they correspond:

Sun

Producer

primary consumer

2nd consumer

3rd consumer....

​exit ticket