Ecology and Energy Flow

Front

What do the arrows in a food chain or web represent?

Back

They show what direction the energy is flowing between organisms.

Front

What is the first source of energy for all food webs?

Back

Sunlight

Front

Efficiency of energy transfer from a lower trophic level to the next highest level

Back

10%

Front

The Mayfly is a food source for which 3 organisms?

Back

Frog, salamander and trout

Front

In this food web, which two organisms could be harmed if the mouse population were to decrease?

Back

Wolf and snake

Front

What would you call a rabbit that eats berries and is eaten by a wolf?

Back

Primary Consumer

Front

Which trophic level would be the most catastrophic to lose? Justify your answer. Use at least two vocabulary words from your textbook or class assignments.

Back

The most catastrophic trophic level to lose is the producers. They form the base of the food chain, providing energy for all other levels. Without them, the entire ecosystem would collapse.