Enlargement of body tissue blurred vision low sperm count weight gain feeling sluggish

The diagram shows a fossil of an ancient whale skull and a skull of a present-day whale. the ancient whale is extinct and is believed to be an ancestor of the present-day whale. what do these skulls most likely show that supports darwin’s theory of evolution? all populations can adapt and survive. only some organisms have a common ancestor. populations change slowly over time. populations rapidly become extinct.

Blood has traveled from the heart to the toes. which describes the next step of the circulation process?

What does it mean for an allele to be dominant?