Examine the differences between the common ancestor’s original gene and the genomes of the existing species. How can these changes affect the development of the protein in the descendant species?

common ancestor: AGATCCTAGA
20 million years: AGATCCTACA 20 million years: AGAACCTAGA
40 millions years: AGATCCTATCA 40 million years: AGAAGCCTAGA

Ascientist and her team counted 200 individual deer in an area of 10 square kilometers. what is the population density?

The hypothesis of continental drift states that earth's continents, which are located on tectonic plates, move relative to each other. which of the following is true of the movement of the tectonic plates? a. tectonic plates only move once every million years. b. they move at a rate of approximately 5 centimeters per year. c. tectonic plates never move, only the continents located on them do. d. their movements are very rapid and occur at random times.

In this case, the statement that people who exercise for an hour may have lower cholesterol levels is .