Answer:
The alarm reaction stage
Explanation:
According to Selye, there are three stages of reaction to stress conditions. These are namely the alarm reaction stage, the resistance stage, and the exhaustion stage.
The alarm reaction stage is the first stage of stress reactions which includes perception of stress conditions. The hypothalamus sends signals to the associated glands and organs to prepare for the defensive responses.
The adrenal gland receives a signal to secrete the stress hormones while organs such as the liver are signaled to increase the glucose formation which in turn would serve as fuel during stress conditions.
The answer is A. Hardness
Answer: the insertion of a nucleotide into DNA
Explanation:
Cancer is a complex group of diseases that occurs when cells grow out of control and crowd out normal cells. While going through the cell cycle, cells that are not properly produced commit apoptosis, which is controlled cell death. If a bad cell does not commit apoptosis, when it divides, the cell and its daughter cells will produces mutated genes, which will form a tumor.
Answer:
D!!
All of these are ocean animals.
