<span>There is a herbicide poison spill and all the grass is killed. It will make all of the consumers who depends on the gras will get decreased. If they saw some consumers dies by eating the grasses affected by herbicide posion, they will move far away from it</span>
competition plays a very important role in ecology and evolution. The best competitors are the ones who survive and get to pass on their genes.
Answer:
Explanation:
In gene transfer, researchers introduce a foreign gene directly into cancer cells or into surrounding tissue. The goal is that the newly inserted gene will cause the cancer cells to die or prevent cancer cells and surrounding tissue from funneling blood to tumors, depriving them of nutrients they need for survival.
Answer:
Option A
Explanation:
Thyroid is primarily caused by lack of iodine but there are other reasons as well that lead to increased size of the thyroid gland. Some of these reason is
a) over- or underproduction of thyroid hormones
b) Nodules in the glans
Some times, due to overstimulation immune system itself attack the thyroid gland thereby producing excess thyroxine and hence causing the thyroid to swell
Thus, Option A is correct
The answer is D, because it is a form of camouflage and an adaptation to the environment for self defense
