Answer:
Incubation period
Explanation:
The incubation period is the time period between the entry of pathogen into the host body and the appearance of signs and symptoms. Chickenpox is caused by varicella-zoster virus that has an incubation period of 10-23 days after which the symptoms of the disease appear.
The virus must have spread from the infected nephew two weeks ago but did not cause any sickness until now due to the incubation period.
Answer:
secondary succession
Explanation:
secondary succession occurs after a major natural disturbance in the environment, but the soil is still there afterwards so its faster then primary.
Answer:
hydrogen bonding. In cohesion the water's hydrogen bonds make water self-sticky, it beads up. In adhesion water has the ability to climb up the wall of any container it is in.
Explanation:
Answer:
Natural selection and selective breeding can both cause changes in animals and plants. The difference between the two is that natural selection happens naturally, but selective breeding only occurs when humans intervene. For this reason selective breeding is sometimes called artificial selection.
Explanation: