Scientists believe the earth is approximately 4 1/2 billion years old
A species is an integrated group of populations, integrated through their form, behavior, and preferred living conditions, the consequence of similar DNA and reproductive isolation from other species. A population is several organisms of the same kind in a particular area.
He used single-lens microscopes, which he made, to make the first observations of bacteria and protozoa. His extensive research on the growth of small animals such as fleas, mussels, and eels helped disprove the theory of spontaneous generation of life.
Answer:
A. student 4
Explanation:
The population of deer increase because with fewer mountain lions, coyotes and bobcats there was less competition within the deer population
