Answer:
The correct answer is option C. secrete chemical messengers that travel in the bloodstream.
Explanation:
Endocrine glands are organ or gland that secrets hormones that are chemical messengers travel through the bloodstream instead of the duct. There are several glands that are part of the endocrine system such as the thyroid gland, pancreas, hypothalamus, and others.
These chemical agents are the travel through the blood and act on the site of action.
Thus, the correct answer is option C. secrete chemical messengers that travel in the bloodstream.
Evolution is a process that results in changes in the genetic material of a population over time. Evolution reflects the adaptations of organisms to their changing environments and can result in altered genes, novel traits, and new species. An example of macroevolution is the evolution of a new species. ...
Answer:
1 ma /b/ correct answer 2 ma /a/ correct answer
i believe the answer is A and D
Answer:
The sceintific law explains the behavior of natural phenomena.
Explanation:
