Answer:
S3xual selection as a consequence of female choice is easy to understand, provided we are willing to accept that female preferences exist. If females show a preference, then males with the preferred trait will leave greater numbers of offspring, and their trait values will tend to increase in frequency in the population.
Explanation:
Steroids have a number of different functions but essentially all act as hormones in the body.
Most of anti-anxiety agents work by depressing the central nervous
system activity. They
produce a calming effect by potentiating the effects of gamma-aminobutyric acid
(GABA), one of the inhibitory neurotransmitters and thereby reduces the
transmission of nerve impulses. In addition, they act particularly on the
limbic system and the reticular activating system.
According to the endosymbiotic theory of the origin of both chloroplasts and mitochondria, the ancestors of these two organelles were free-living prokaryotic cells. This theory states that an early eukaryotic cell engulfed a prokaryotic cell by endocytosis, much as one of our phagocytic white blood cells engulfs a bacterium.
A, "Wind energy is a nonrenewable resource," is incorrect.
