D. Darwin's theory of natural selection shows that organisms evolve based on which one's survive the best and thrive.
both alleles in the heterozygous
genotype are exhibit in the phenotypes. Allele
is completely dominant over the other, and it is the phenotype is a blend of the two
homozygous phenotypes, there are more than two forms of the same gene, and
there maybe one more superior form and several different phenotypes
Answer:
Explanation:
Four conditions are needed for natural selection to occur: reproduction, heredity, variation in fitness or organisms, variation in individual characters among members of the population.
ORR
Struggle for existence, variation and inheritance. These are said to be the necessary and sufficient conditions for natural selection to occur.
The direct source of energy to move the sailboat is probably wind, since wind is what pushes the sail of the sailboat, which is what propels the sailboat forward.
Hope this helps!
Have cones as reproductive structures.
Have vascular tissue.