adapted from images courtesy of nih and wikipedia.

looking at the figures provided, assume that the figures are drawn to the same scale. which of the following is the largest structure in the animal cell?
a.
vacuole
b.
mitochondrion
c.
cell wall
d.
nucleus

Nucleus

Explanation:

It is enclosed by a nuclear membrane perforated by numerous pores. It regulates the activities of the rest of the cell. It contains chromosomes which carry the hereditary materials. One or more densely staining bodies called nucleoli is present in the nucleus. It is site for synthesis of ribosomes

the answer is d.) homologous; have mammary glands

he forelimbs below belong to four species that descended in a direct line from the ancestral mammal shown above. of the four descendants shown, which species most likely appeared earliest in evolutionary history?