Hair color is a genetic trait
Answer:Certain animal behaviors affect that probability. Behavior affects probability of reproduction. Animals have adapted a variety of courtship and mating behaviors to increase the probability of finding a mate. For example, the males of many bird species gyrate their feathers or perform special dances to attract a female.
Explanation:
The rough endoplasmic reticulum synthesizes the enzymes. Also, ribosomes synthesize proteins.
Answer:
It is necessary.
Explanation:
If a member of a species doesn't reproduce, other members of the same species will become extinct.
Answer and Explanation:
The Immune System. It comprises the white blood cells, lymphatic system, etc. The immune response is the production of antibodies in response to antigens present in pathogens and other foreign matter.
The leukocytes are formed in the bone marrow of long bones and lymph nodes. Their function is to protect the body from invasion of foreign material like bacteria and viruses( pathogens). They help fight against infections by engulfing and digesting pathogens and production of antibodies which are proteins that bind to pathogens. Their number increases greatly during infections.