Hormone
an impulse
Hormone
Hormone
Hormone
These substances are also called neurotransmitters.
Antibiotics are chemicals produced by living organisms that kill or inhibit the growth of other organisms, particularly bacteria.
i think it mostly effect on reptiles.
Organisms or fragments of DNA that are genetically identical to the organism they were produced from are called clones. This means they have the same genetic information as the original organism.
hormone
it might be good for the organism and benefits the organism
An example of a chemical messenger is a hormone, such as insulin or adrenaline, which is produced by glands in the body and travels through the bloodstream to target cells to regulate various physiological processes.
A new organism that is produced by a parent is called an offspring. Some organisms reproduce asexually while others reproduce sexually.