4.2 [Pt 2] Ecological Pyramids

4.2 [Pt 2] Ecological Pyramids

Fill in the Blanks

Primary producers make up the

st trophic level

Fill in the Blanks

Pyramids of energy show the relative amount of energy available at each

level of a food chain or web.

Fill in the Blanks

Most remaining energy is released as

.

Fill in the Blanks

What do you multiply a number by to figure out 10% ?

Multiple Choice

How much is 10% of $1.00?

• 10 cents

• 25 cents

• 50 cents

• 75 cents

Fill in the Blanks

If the first trophic level has 1,500 energy units how much energy will be available to organisms in the second trophic level?

Fill in the Blanks

- total amount of living tissues within a given trophic level

Fill in the Blanks

Pyramid of biomass- model that illustrates the relative amount of living

matter in each trophic level of an ecosystem

Fill in the Blanks

Pyramid of numbers- model that shows the relative number of individual

at each trophic level in an ecosystem