Trophic level- Where an organism belongs in the food chain

Ecological Pyramids

• Pyramid of Energy

All energy comes from the sunAll energy comes from the sun

Plants use the sunlight to Plants use the sunlight to create sugar and oxygencreate sugar and oxygen

Plants are calledPRODUCERSPRODUCERS

because they produce their own food from the sun.

Some organisms eat the plantsSome organisms eat the plants

Organisms that eat plants are called

11stst level levelCONSUMERSCONSUMERS

Other organisms eat the organisms Other organisms eat the organisms that eat the plants.that eat the plants.

Organisms that eat organisms that eat plants are called

22ndnd Level LevelCONSUMERSCONSUMERS

Some organisms eat the organisms that eat the organisms that eat the

plants

Organisms that eat organisms that eat

organisms that eat plants are called33rdrd level level

consumersconsumers

DECOMPOSERS/ DECOMPOSERS/ DETRITAVOIR DETRITAVOIR live on the dead

and rotting remains of both plants and

animals

ENERGY FLOWS ENERGY FLOWS FROMFROMSun

Producer1st level consumer 2nd level consumer3rd level consumer

detritavoir/ decomposer

Arrows Points in the Direction that Energy Travels

12 pictures minimum, each picture must have at least ONE LABEL each. Labels must include (but are not limited to) the

following:• Producer – Plants• Herbivore- primary consumer• Carnivore- secondary consumer• Top Carnivore- tertiary (third level) consumer• Omnivore- (primary or secondary?)• Scavenger- consume dead carcasses • Detritivoirs- consume detritus (litter, dung)

– Ex. Ants, beetles• Decomposer- complete the final breakdown

– Ex. Bacteria, fungus

Food Web Essay• 1 page, 3 paragragh• Tell a story of a food web from the point of view of

ENERGY. Include and underline the following terms:

• Herbivore- primary consumer• Carnivore- secondary consumer• Top Carnivore- tertiary (third level) consumer• Detritivoirs- consume detritus (litter, dung)

– Ex. Ants, beetles• Decomposer- complete the final breakdown

– Ex. Bacteria, fungus