How does the human body return carbon to the atmosphere in the carbon cycle? O Formation of glucose O Cellular Respiration O Photosynthesis O Waste products

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?

Which is an example of a vestigial structure? a: paw of a lionb: wing of a birdc: appendix of a humand: tail of a cat(i think it's a but i'm not sure)

Humans have to eat food to get the nutrients that keep us alive, but plants use the sun to power photosynthesis