D<span>. </span>Primary succession<span> / </span>secondary succession<span> e. Genetic drift / </span>primary succession<span>. </span>d<span>. ... A predictable series of </span>environmental<span> changes </span>occur<span> in an </span>ecosystem<span> after a ... An </span>area<span> of </span>bare rock<span> outcrop is colonized by small lichens and mosses for ... Weed seeds will </span>not<span> disperse over a large enough </span>area<span> to colonize a prairie. a.</span>
why does our nose get stuffy when we have a cold
Answer:
Due to dilation of blood vessels in the sinuses of the nose
Explanation:
Often times, we think our nose gets stuffed up due to the excess mucus in times of cold but it is not always so.
We get stuffed due to the body's homeostasis, a drive to internally control and balance the outside environment.
- During cold, blood vessels dilate so as to allow for more inflow of blood.
- Incoming blood brings in more heat to the body parts.
They are thus known as the "supporting cells" of the nervous system. The four main functions of glial cells are: to surround neurons and hold them in place, to supply nutrients and oxygen to neurons, to insulate one neuron from another, and to destroy and remove the carcasses of dead neurons (clean up).
Answer:
This is a cell (B) with a nucleus (C) containing DNA (A). The DNA is organized into chromosomes (D). A section of the chromosome that codes for a trait is called a gene (E).
Explanation:
