I believe it is a. Birds typically migrate in the wintertime to escape harsher climates to places that have more food. Also, some birds migrate to certain places when they are about to start their nesting and breeding seasons.
Answer: Epidermal dendritic cells help prevent infections and they also produce pigment for the skin.
Explanation:
source: study.com
B) lions hunting for food, because that has to be taught by the parent and they aren't born knowing how to hunt
The answer is: In recent years, scientists have discovered fossils from long ago that glaciers have hidden
Answer: Traits that are controlled by multiple genes
Explanation: Polygenic traits are traits that are controlled by more than one gene. A trait that is influenced by only one gene is called a monogenic trait but when a trait is controlled by two or more genes, it is called a polygenic trait. The manifestation of these traits involves interaction of multiple genes. Polygenic traits do not obey Mendel's inheritance pattern. Examples of polygenic traits are skin colour, eye colour and hair colour.
