Grasses are the dominant producers in the prairie ecosystem. Mice eat the grass seeds, snakes eat the mice, and hawks eat the snakes.

Question

The mass of a hawk is around 500 grams.

In this ecosystem, how many hawks can be supported by 250,000 kilograms of producers?

Recall that 1 kilogram is equivalent to 1,000 grams.

(1 point)
Responses

0.5
0.5

250
250

500
500

5,000

Answer 1

500

Answer 2

An organism that is classified as anaerobic can perform respiration(1 point)
Responses

with oxygen only.
with oxygen only.

without oxygen.
without oxygen.

with hydrogen only.
with hydrogen only.

without hydrogen.

Answer 3

without oxygen.