Answer:
Polygenic traits are quantitative because their phenotype expression depends on several different alleles found on different chromosomes.
Explanation:
ON EDGE
Answer:
trachea
Explanation:
it is a tube that connects troat and bronch
<span>Prokaryotes don't have a nucleolus as they do not have a nucleus, and neither do they have a Golgi apparatus. A nucleoid is loose DNA which is found in prokaryotes but not in eukaryotes...</span>
That is a chemical change or reaction.
Contour: Gives the bird its stream line shape.
<span>Down feathers: Keeps the bird warm.</span>