The amount of energy lost at the transition between each trophic level of the pyramid of energy is about
a.
10%
b.
50%
c.
70%
d.
90%

Which of the following occurs most often in a population when genetic variation and overproduction are present? some organisms have a lower reproductive success than others. some organisms have a higher reproductive success than others. some organisms have no reproductive success. some organisms do not have genetic variation.

14. which of the following codons code for threonine? a. ucg b. ugu c. cga d. aca

Asap many people try to eliminate fat from their diets which is one reason it is necessary for humans to eat fat a) fat is the only way to get energy b) every cell in the body must contain fat c)fat stores less energy than polysaccharides d) saturated fats make blood vessels healthier