It is a mating in which an individual showing a dominant phenotype is crossed with an individual showing its recessive phenotype. In a test cross, the unknown individual must be of a dominant phenotype because if the phenotype is recessive the genotype will have to be homozygous recessive.
Answer:
B. some individuals are better adapted to exist in their enviornment than others are
Explanation:
That would be the Endoplasmic Reticulum my good friend hope this helped... :D
I believe the answer would be D) kitchen scraps and grass clippings
