A) Mitochondria - because they are double membraned and the inner one is highly folded into 'cristae'
Observation is broken up into three parts. The first is the date. Then you have the activity and last you have a brief description of what is being observed.
Answer:
<h3>Biologists study humans, plants, animals, and the environments in which they live. They may conduct their studies--human medical research, plant research, animal research, environmental system research--at the cellular level or the ecosystem level or anywhere in between.</h3>
That is called uric acid and it helps them maintain internal homeostasis in hot climates by retaining water
Through the process called osmosis..a process by which cells pass through a semipermeable membrane to a less concentrated area