Sep 14-15

What would happen to the bird if the green fish died out?

• the bird population would grow

• the bird population would die out

• the smaller fish will die out

the top layer of an energy pyramid are primary consumers?

• true

• false

What does an energy pyramid show?

• Energy flow in a community

• Longest lifespans

• The stronger animal the higher it is on the pyramid

All tertiary consumers are scavengers

• true

• false

After completing your calculations, what is the average amount of energy transferred from one trophic level to the next?

• 90%

• 70%

• 50%

• 10%

In an energy pyramid, energy_______ as you move up the pyramid.

• Increases
• Decreases
• Stays the same
• Changes up and down

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

• Producers

• Carnivores

• Herbivores

• Top Predator

The phenomenon by which toxins concentrate in the organisms at higher trophic levels within an ecosystem is known as...

• Biotoxicity

• Biomagnification

• Eutrophication

• Predation