True, fatty acids arent able to get to the brain cells because of the blood braid barrier,, ketone bodies produced by the liver are the only other energy sources, though they arent nearly as proficient.
<span>a. This is an illustration of a(n) limiting factor.
Limiting factor is the factor that absence/presence will limit the growth of the organism. In this case, rain would be the limiting factor. The absence of rain will cause lower plants </span>population which are the primary producer. Lower plant population <span>will decrease the consumer population too. In other words,
</span>b. The biotic and abiotic factors share a(n) ecosystem
Abiotic factor is a factor that composed of the non-living component while the biotic factor is the living organism. In this case, rain would be the abiotic factor. Flower, insect, frog, and bird would be the biotic factor. They both share an ecosystem where they interact with each other.
Abiotic factors are non-living factors such as sun
<span>T lymphocytes are to the <u>thymus</u> as B lymphocytes are to the <u>bone marrow.</u><u /> In mammals, lymphocyte development occurs mainly on the central lymphoid glands (i.e. thymus for T cells and bone marrow for B cells).
<em>ANSWERS: thymus, bone marrow</em></span>
Human
Explanation - Humans have exceeded the carrying capacity. Technology is one of the considerable factor for reducing the death or mortality rate of humans and increasing the birth rate.
Example - the medical instruments have advanced to such an extent that the patient is more likely to get cured soon unlike previous years. It has now become a major concern that the population might reach to the extent when our planet, earth will not be able to sustain us.