i think it mostly effect on reptiles.
This is a chemical messenger.
Hormone
Hormone
hormone
Hormone
All inherited traits are a product of the organism's genes.
Allelopathy in plants gives the organism a competitive advantage because the toxic chemical produced prevents other plants growing nearby and eliminates the competition for light, space, water, and nutrients in the soil.
The changes produced by electrolysis are chemical.
Asexual reproduction
hormone
hormones
an impulse
Hormone
Hormone
Hormone
pathogen
stomach acid
An enzyme is a substance produced by a living organism and assisting in chemical processes.
These substances are also called neurotransmitters.
They are the things which are found in homo sapien but can also be produced by man eg.enzyme
Light produced by a living organism while using chemical reactions throughout the body.