Evolution by genetic drift is most obvious in
A) migratory species.
B) large populations.
C) small populations.
D) aquatic organisms.
E) invertebrate species.
C
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Researchers have found that an octopus given a clear plastic box with three different types of lids and a crab inside will eventually figure out how to get at least one of the lids open to get the crab. They have also shown that after a new octopus observes a veteran octopus (who already knows how to open the box), the new octopus is able to open the box and always uses the same type of lid that the veteran used. What term best describes these behaviors?
A. cognitive learning B. innate C. imprinting D. habituation E. associative learning
Assimilation is the process by which inorganic substances are incorporated into organic molecules.
Answer the following statement true (T) or false (F)
What part of the sperm first contacts the egg plasma membrane?
A) the vitelline membrane B) the cortical granules C) the acrosomal membrane D) the actin proteins E) the fertilization membrane
Members of the zetaproteobacteria are autotrophs, some of which are iron oxidizers
Indicate whether the statement is true or false