Answer:
When people lift weights, microscopic damage (microtears) occurs to the myofibrils within the muscle fiber. These microtears stimulate the body's repair response. ... The increased number of myofibrils causes muscle fibers to enlarge, increasing their volume and size.
Explanation:
C. The presence of predators could cause natural selection because it would mean survival of the fittest.
<span>cm x (in/cm) = in
21 cm x (1 in / 2.54 cm) = 8.3677 in </span>
Evolution is all about the
process of inheriting characteristics within a population change over
generation.
Only inherited traits
differences that can be passed on are acted upon evolution.
<span>In the study, the humans
select desirable traits that can be passed from one generation to another.</span>
