Select the correct statement about phylogenetic trees.
a. Phylogenetic trees may expand quickly to maximum width and then narrow over time.
b. Phylogenetic trees always show increased branching, representing increased diversity over time.
c. All phylogenetic trees are similarly shaped.

scientists have discovered that hiv does not cause aids by the virus's direct effect on the host's immune cells, but rather through the cells' lethal influence on one another. researchers from the gladstone institutes have revealed that hiv does not cause aids by the virus's

the areas around the equator

name and explain one of the event that occurs during meiosis that increases the variation in offspring even more than simple reproduction?

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hope this