A is anything in the environment that affects the behavior of an organism. tropism
hormone
stomata
stimulus

Why is it important to reduce the number of chromosomes in half when forming gametes for sexual reproduction?

The bacteria found in soil is usually harmful and measures are taken to remove any traces of microorganisms. true or false

What is the function of the somatic nervous system? connects the brain and the spinal cord to the rest of the body carry signals to the muscles and glands includes all nerves controlling the muscular system and external sensory receptors controls internal organs like the heart and bladder