The main difference between the nebular and condensation theories is that the condensation theory stresses the importance of interstellar dust to the formation of planets.
I think the correct answer is receptor. To respond to a chemical signal a cell must have a receptor and also this where the signaling molecule can bind. A receptor is a protein molecule that can receive signals from the outside environment of the cell.
The correct answer for this question is this: "Species diversity measures the number of species in the biosphere, while genetic diversity measures the variety of genes in the biosphere, including genetic variation within species."
<span>Species diversity and genetic diversity are different in terms of what the two terms measure.</span>
Hey There! Your answer is A "<span>nucleus; golgi bodies"! Hope this helps!</span>
