A. Bacteria to Seaweed to Fish to Seal to Polar Bear
Answer:
C) Dendritic cells.
Explanation:
Dendritic cells are types of immune cells that carry out immune responses by presenting antigens on its surface to other immune system cells.
They are derived from the bone marrow and have tree-like structures. Dendritic cells are found in the skin, lungs, nose stomach and intestines. They are phagocytes and are antigen presenting cells (APCs).
Dendritic cells work by capturing the antigens from foreign bodies and processing and presenting these antigens on their cell surfaces for recognition and action by other cells of the immune system.
Answer - A. Mating Must occur randomly
Reasoning - Since mating must occur randomly are helps with the balance or equilibrium in genetic without any changes within that population since we do not want genetic drift, mutation and especially do not want any foreign or different species mating with the species we are targeting. So A is your best answer.
<span>The research shows that the relationship between estrogen and verbal tasks is negative while it is positively correlated with spatial tasks. This correlation shows that, like in other animal studies, there could be some sort of organizing of the brain that goes on related to the level of sex hormones in the body.</span>