The answer is "<span>B: all the gray squirrels that live in a forest" </span>
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.
The inches side because you measure things in inches when it's talking about length not cm unless you have to convert
<span>The more similar the embryonic development of two species, the more closely they are related.</span>
The answer to this question is c! Thanks for posting your questions!