Question

Grasses → mice → cat → coyote As matter and energy move from grasses to coyotes the amount of available energy

a) Always decreases and population size always increases

b) Always increases and population size always decreases

c) Always decreases but population size may increase or decrease

d) Increases or decreases but population size remains the same

Answer 1

The most reasonable answer would be c.

Hope I helped:)

Step-by-step explanation:

Answer 2

the answer would be C. Energy is used through the food chain so energy always decreases. Population size would commonly decrease according to the  pyramid of food chain but since there's no answer for that, C would be the most suitable