Answer:
By domesticting plants and animals, humans were able to modify the plants and animals to suit their needs.
Explanation:
Early humans didn't know that domesticting and manipulating plants and animals is explained through biology, nor did they have the term "biology", however, domestication certainly contributed to people becoming curious as to how and why these processes worked.
Answer: B
Explanation:
The T helper cell needs to acttivate the T cyctotoxic cell in order for the Tc cell to go do its work.
Once the TC cell is active it interacts with MHC-1 proteins on the surface of the infected host cell, this allows the Tc cell to recignise the host cell and begin secreting cytotoxins (perforins and granzymes) in order to degrade the infected cell and cause apoptosis (controlled cell death)
Answer:
This person can be described as an environmentalist.
Explanation:
An environmentalist is a person who has adopted environmentalism as a philosophy that makes this person work and manages to direct their activities towards the preservation of the environment and sustainable development. These people seek to teach others to preserve the environment and seek to defend it through politics, economics and any other social factor that can help to achieve this goal.
The person presented in the question above is an environmentalist, because, as we can see, this person is available to give a lecture on environmental preservation, interacts with environmental activist groups and seeks political support to address issues on climate issues, sustainability and biodiversity .
<span>The answer is
Fertilize runoff</span>
