Multifactorial disorder
Multifactorial disorders are
disorders that involve variations in multiple genes joined with environmental
causes. Diseases such as heart disease, type 2 diabetes, and obesity are multifactorial
disorder as they do not have single genetic cause but are caused by a
combination of environmental factors and life style with mutations in multiple
genes.
The answer is B. Cnidarians
Cnidarian body has no left or right side, only tom and bottom surfaces. If you divide cnidarian a about central point, you will get equal parts. So, cnidarians are radially symmetrical animals. This group includes hydroids, jellyfish, anemones, and corals. In all groups, animals have stinging cells on tips of tentacles. They use them to capture the prey. Their name literally means stinging creatures.
<span>The answer should be: green individuals are more likely to survive and reproduce
In a green grass field, green beans will be hard to be noticed. Unlike the green beans, the red beans will have a high contrast to the green color of the grass. This makes the red bean easier to found and eaten by the predator. Green individuals will be more likely to survive and reproduce because it could blend with the grass.</span>