When a animal changes their body over long periods of time with mating with other species to develop different characteristics.
<span>Based on the
cladogram, mackerel has segmented body and jaws. They have vertical stripes on
their backs and fork tails. In addition, mackerel is a multicellular species of
pelagic fish, which were restricted in their distribution ranges and live in
separate populations.</span>
Answer:
Populations evolve, not individuals. ... Individual organisms do not evolve, they retain the same genes throughout their life. When a population is evolving, the ratio of different genetic types is changing -- each individual organism within a population does not change.