Hey pizzalover! The answer from this question would be
a. oxygen
Hope it helps
<span>Preservation of advantageous genetic mutations, I think.</span>
Yeah yeah you know where I can get it and I have to get my
Answer:
the last one house cats lions and tigers belong to the same class abd and family
***see attached pic***
Some helpful tips:
The nucleus is always going to be the big, spherical shape.
The ER is always going to be a weird, folded looking structure attached to the nucleus (rough = has ribosomes on it which are usually represented by little dots, smooth = has no ribosomes on it aka no dots)
The GA looks like the ER but it is not going to be attached to the nucleus like the ER is.
The mitochondria is always going to be pill-shaped and have weird folds inside of it.