Answer:
D) is the correct answer in my opinion
Ecological efficiency is the term used to describe how much energy will be passed from lower food pyramid level into the higher level. The amount of energy in primary level will be much higher than tertiary. The difference of level of tertiary(3) with primary(1) would be two level.
Assuming that the ecological efficiency is 10%, then the <span>primary consumer level would be: 50 kcal * 10^(3-1)= 5000 kcal</span>
Answer:
Most lethal genes are recessive. ... One coat color of ranch foxes is caused by a recessive lethal gene. This gene causes a death if both recessive alleles are possessed by the same individual. Recessive lethal alleles do not cause death in the heterozygous form because a certain threshold of protein output is maintained.
Explanation:
make mine the brainliest
Answer:
Mutation is a source of genetic variation
chemical changes cannot be reversed because you cannot take a chemical out of another chemical change. it is impossible. EX: water+food coloring= you cant take the food coloring out of water.