Trophic Pyramids, Food Chains and Food Webs

Front

All food webs and food chains begin with _________________.

Back

producers

Front

In this energy pyramid, which organisms have the most energy available?

Back

Producers

Front

What percentage of energy is passed on to each tropic level? Options: 10%, 50%, 90%, 100%

Back

10%

Front

Which organism do the owl and the weasel compete for in the food web? Options: Hawk, Spider, Grasshopper, Shrew

Back

Shrew

Front

In a food web, arrows point at:

Back

who gets energy.

Front

Organisms which carry out the process of decomposition by breaking down dead or decaying organisms.

Back

Decomposer

Front

Who does the grasshopper get energy from?

Back

Grass

Front

Which is a producer? Options: deer, tall grass, lion, worm

Back

tall grass

Front

What is this called? Options: Food Web, Food Chain, Abiotic Factors

Back

Food Web

Front

If a frog is the prey, what could be the predator? Options: Grass, Insect, Snake, Snail

Back

Snake