True.
Whenever one organism gets infected, it spreads to its surroundings and so forth. This causes an epidemic.
Answer:
<em>The correct option is B) Darwin</em>
Explanation:
Darwin was the scientists who studied similarities between species all around the globe and believed that all the species came from a common ancestor. Hence, Darwin was the scientist who proposed the idea of studying humans as groups rather than as individuals.
Other options, like option C, are false because Lamarck believed in the theory that organisms acquired traits from the environment as they grew and they could pass these traits to their children. Hence, these studies did not involve the grouping of individuals.
Answer:
electrons
Explanation:
Electrical energy is caused by moving particles that have a negative or positive charge. These particles are called electrons
Answer:
gene flow is the transfer of genetic variation from one population to another.
option D
