Embryology provides evidence for evolution because during their development, many organisms look similar, suggesting that very different organisms may have a common ancestor.
a star expels most of its outer material until only the hot core remains, which then settles down to become a young a white dwarf
Biological or "Darwinian" fitness is being able to live long enough to reproduce and keep the population or species alive.
Answer:
<h2>The source rock is the rock that contains the kerogen that the oil and gas forms from. The reservoir rock is the porous, permeable Rock layer or layers that hold the oil and gas. This migration occurs because oil and gas are less than than water.</h2>
Phospholipids (lipid bilayer)
