Mitosis is the reproduction of cells
Q1. The answer is <span>c. a mechanism of evolution.
</span>
Natural selection is the differences in survival and reproduction as the consequence of differences in phenotypes. According to Darwin's theory of evolution, natural selection is the only factor that affects a frequency of different variations and it is the only mechanism of evolution.
Q2. The answer is c. interactions between individuals.
Organisms interact with other organisms or abiotic factors in some system. The interaction <span>between individuals affects their regular distribution. For example, if two groups are in competition for resources, to maximize resource utilization, they will probably live in different areas or will defend territory. Also, some symbiotic organisms are expect to be distributed similarly.</span>
The statement which best explains the origin of life on Earth is that r<span>eproducing molecules evolved into living molecules by biological processes.
RNA is the precursor of all life on Earth, and today's life descends from RNA world.
</span>
<span>The answer to this question would be:
-A woman with hypertension
-A teenager with ischemic heart disease
Cardiomyopathy is a disease of heart muscle that can be caused by multiple causes. When someone gets </span>ischemic heart disease, part of the heart muscle is died because of ischemia so the muscle should be damaged directly.
<span>In hypertension, the high blood pressure will cause damage to the blood vessel and the muscle, slowly lowering its function.</span>
I believe it is water, I may be wrong though. It's been a while since I studied that stuff.
