When a single copy of a disease allele doesn't result in a disease but instead is good for the person or organism that carries it, we say that allele has a heterozygote advantage. In other words this occurs when heterozyhotes have increased fitness over both homozygotes. A good example is sickcle cell trait, which protects against malaria in heterozygotes, but causes a deadly disease in homozygotes.
Answer:
The ozone layer in the stratosphere blocks out the sun's deadly ultraviolet rays. It acts as our planet's natural sunblock.
A. Carbohydrates
There are organic compounds like: sugars, starch, cellulose and etc.
I believe the answer is D. The part where you have Photosynthesis and cellular respiration are opposite is also a true statement. IDK if that was supposed to be E or part of D. Hopefully this helps.
Answer:
Displacements that occur in opposite directions are subtracted from each other to find the total displacement.