First blank space is endocrine system and the second blank is hormones
Answer: <span>Almost every type of bacteria has become stronger and less responsive to antibiotic treatment when it is really needed.
Hope this helps! :)</span>
This is an example of; evolution
Evolution is a gradual process in which the characteristics of a species are changed in response to its environment over several generations. Evolution depends on the process of natural selection. Some of the changed characteristics (traits) may be beneficial to the organism and it can be transferred to their offspring.
People believed that zebras were white animals with black stripes, since some zebras have white underbellies. Embryological evidence, however, shows that the animal's background color is black and the white stripes and bellies are additions.
B is the answer. it will maximize the genetic drift diversity in the offspring.
