Well,
Homeostasis means "maintaining the status quo." That just means remaining the same.
The first, second, and fourth options, do not represent homeostasis, as something happens to the organism that is not normal.
The third example is an example of homeostasis because the cactus is preparing for the dry period, during which it can maintain the status quo because of its stored water.
The research method is called SECONDARY ANALYSIS.
Secondary analysis involves using the data that other researchers have made available or that which the government has made available to conduct research. This method id usually used because gathering such data originally is usually impracticable.
Answer:
Amino acids
Explanation:
Amino acids are the building blocks of proteins; they are composed of an R group(elements within this section of the amino acid can vary depending on the R group), an amino group, and a carbonyl group.
The answer is D. A need to reduce air pollution
Answer:
The answer is: 3. populations, communities, and ecosystems.