Any one interested in revising Biology nutrition in animals?

Plsss > .< compare and contrast the characteristics of flatworms rounds worms and earthworms

Moving down the ramp from 6 meters to

Grasses--> mice--> cats--> coyotes suppose 10,000 units of energy are available at the level of the grasses. what is the total number of energy units lost by the time energy reaches the coyote?