Energy Flow NOTES

shows how organisms get their ___ in a straight line

shows all the feeding _____ between organisms consuming each other

food chains begin with a ______ (choose 2)

food chains end with a ______ (choose 2)

Review: Which is true?

What are 3 major producers in the world?

What are 3 food sources for the sea otter?

What main trophic level is the sea otter?

Which 2 other trophic levels could the sea otter be, depending on what it eats?

Energy pyramids show how most of the energy is _____ as it moves up through the ecosystem.

In an energy pyramid, the top consumer is always found ____.

Only about ____% of energy is transferred per level

The other 90%, a lot of it is lost to ______

More producers than consumers because there needs to be ______ of producers to eat!

Smallest sized organisms are usually at the bottom because energy is ______ between so many (ex. blades of grass)

So the BOTTOM level of an energy pyramid has the: (choose 3)

REVIEW: What is the first trophic level of an ecosystem called?

REVIEW: A(n) _____ is considered a SECONDARY CONSUMER.

REVIEW: Each time energy is transferred from 1 trophic level to the next, what happens to the AMOUNT OF ENERGY?

Review: What 2 actual EXAMPLES of things can a black bear eat that makes it both a PRIMARY and SECONDARY CONSUMER?

REVIEW: Why is the shape of a triangle a good choice for the ENERGY PYRAMID?