The different forms a gene may have for a trait are called alleles. Blood type is an example of alleles. They determine the hereditary characteristics an offspring gains from their parents.
Answer:D
Explanation
Liver is not involved in the product of blood clotting protein rather it is involved in the production of two hormones insulin and glucagon that play roles in regulating blood sugar.
Answer:In ecology, a niche is the match of a species to a specific environmental condition. It describes how an organism or population responds to the distribution of resources and competitors and how it in turn alters those same factors.
Explanation:
