C. The nucleus does not exit within a prokaryotic cell
Relative dating best helps determine fossil age. It's where layers of sedimentary rock and fossils pile up on top of each other; the oldest fossils being in the bottom layer and the youngest in the top.
Answer:
D -herbivore population sizes decrease ,then the carnivore population sizes decrease
They can both be used to identify organisms. Also, the phenotype of an organism is different depending on the genotype of the organism, making them relate to one another.
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If capillaries were thicker, nutrient and gas transfer would be much more difficult. Capillaries are only one cell thick so that it is easy for gases (oxygen and carbon dioxide), nutrients, and wastes to diffuse into and out of the blood. If they were thick, this diffusion would be much harder or impossible.
