C. They unwinds the two strand of DNA.
The study of living organisms, divided into many specialized fields that cover their morphology, physiology, anatomy, behavior, origin, and distribution.
Answer:
the job or role of the organism in a community is its niche
The steps are:
1. The eye cells (photoreceptors) receive light signal.
2. Transduction of light to a neural signal (nerve impulse)
3. Transmission of nerve impulses to the brain via optic nerve (afferent nerve)
4. Brain translates the signal
5. Nerve impulses is transmitted from the brain to the muscles via efferent nerves.
