True
All somatic cells have same genes but the genes whose product is not needed are turned off. Some genes are expressed constitutively and some genes are turned off and on depending upon the requirement of proteins.
Speciation, when populations evolve to become distinct species
The correct answer is:
<h3>a.
Entropy increases going from one trophic level to another.</h3><h3>Explanation:</h3>
Entropy progress going from one trophic level to another. Entropy is a division for the disorderliness of a system. As the trophic level move to the other, energy is lost so more chaos occurs which inflates the entropy.