Answer:
hormones
Explanation:
An example of materials commonly released this way is hormones. These are chemical messengers that are sent to the pituitary gland where they are released directly into the bloodstream. The blood then carries the hormones to different organs and tissues of the body in order to exert their specific function which varies depending on the specific type of hormones being secreted.
H1 Flu since those are mostly the symptoms of that kind of flu
Answer:
Growth rate can be calculated by dividing the change in the number of organisms from one point in time to another by the amount of time in the interval between the points of time.
There isn't really a definition for this.
Answer:
The answer is A
Explanation:
Since their variations are best suited for the environment, they have a higher chance of surviving.
The 3rd one is the answer I think
