C: lack of water during long periods..
There are three main types of galaxies<span>: Elliptical, Spiral, and Irregular. Two of these three </span>types<span> are further divided and classified into a system that is now known the tuning fork diagram. When Hubble first created this diagram, he believed that this was an evolutionary sequence as well as a classification.</span>
Answer:
Genotypes determine the phenotypes expressed
Explanation:
Answer:
C.Because of hunting, species such as bears and wolves are in danger of extinction.
Uses energy responds to the environment
