What kind of cell in the human body would have more mitochondria- muscle cell or skin cell

Mike has a problem with his testosterone. he is unable to produce enough. which will most likely be affected by his inability to produce testosterone? check all that apply.

Plz quick a natural resource that is replaceable through a cycle in nature or sustainable practice is called a? the subject is science

Science which of the following is an example of a cyclic behavior that is seasonal? i think the answer is d, i just need to double check : ). a. running from predators. b. searching for water. c. hunting at night. d. migrating for warmth. ***