Answer: Genetic variation within a species can result from a few different sources. Mutations, the changes in the sequences of genes in DNA, are one source of genetic variation. ... As a result, the tree-colored moths are more likely to survive, reproduce, and pass on their genes.
Explanation:
Answer;
- 40% ; 20%
Obese workers spend nearly 40% more on health care than normal weight adults, adds about 20 percent to healthcare spending.
Explanation;
-Obesity is one of the biggest drivers of preventable chronic diseases and healthcare costs in the United States. Obese adults spend 42 percent more on direct healthcare costs than adults who are a healthy weight.
-Costs for patients presenting at emergency rooms with chest pains are 41 percent higher for severely obese patients, 28 percent higher for obese patients and 22 percent higher for overweight patients than for healthy- weight patients.
True. The crust of the Earth has some permanent magnetization, and the Earth's core generates its own magnetic field, sustaining the main part of the field we measure at the surface. So we could say that the Earth is, therefore, a "magnet."
There are inner part of the stem and outer part of the stem; in a plant the inner part supports the movement of the water and nutrients. You stop the flow of the vital elements of plant growth when you snap the stem and this is the reason why the plant die due to starvation of the nutrients.
<span>B- tree > insect > frog> snake> hawk
The food chains are represented by organisms interconnected by red arrows that point in the direction of the one that's eating. So, the relation that is explicit by the arrow is that the organism from where the arrow departs is eaten by the organism where the arrow is pointing towards to. So, the food chain that can be observed accurately in the food web is: the tree is eaten by the insect, the insect is eaten by the frog, the frog is eaten by the snake, and the snake is eaten by the hawk.
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