The modern synthesis combined the concepts of and evolution.
if a population is at hardy-weinberg equilibrium, the allele frequencies must be
seen more clearly in small populations, is when allele frequencies change due to random chance, not selection.

i think it would be b. tissue because an organ system is a group of organs that work together to perform one or more functions. each does a particular job in the body, and is made up of certain tissues.

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a = executive branch; b = judicial branch

above statement is not a true statement about the open ocean because the open ocean has low levels of nutrients. most of the photosynthetic activity on earth occurs in the open ocean within the photic zone. organisms in the deep ocean are exposed to frigid temperatures and total darkness but it does not begin at the low-tide mark.