"REPRODUCTIVE ISOLATION" needs to occur for speciation to happen.....
<span>an animal whose mouth develops from a second opening in the early embryo, opposite to the initial opening blastopore of the rudimentary gut. Chordates and echinoderms are deuterostomes.</span>
Answer:
Mutations that occur in muscle and skin cells
Explanation:
Answer:
Treest are an Investment
They beautify our surroundings, purify our air, act as sound barriers, manufacture precious oxygen, and help us save energy through their cooling shade in summer and their wind reduction in winter.
Hope its help
