Answer:
The description indicates that Genetic variation is decreasing
The reasoning is that SEM is progressively smaller
Explanation:
Genetic variation decreases when organisms mate between relatives
(C) both cure and prevent disease among entire population of animals.
algae "have chlorophyll as their primary photosynthetic pigment and lack a sterile covering of cells around their reproductive cells". ... Green algae are examples of algae that have primary chloroplasts derived from endosymbiotic cyanobacteria.
Answer: On Earth, most carbon is stored in rocks and sediments, while the rest is located in the ocean, atmosphere, and in living organisms. These are the reservoirs, or sinks, through which carbon cycles.
Explanation:
The thymus becomes smaller with age as well as decreased immune system function.
The process of shrinking of the thymus is known as involution. This process occurs with any tissue that is not in frequent use. Before an individual reaches adulthood, the immune system has produced most of its T-cells. Therefore, new T-cells do not need to be produced, so the tissue of the thymus gland is replaced by adipose tissue.
