Answer:
i think C
Explanation:
Natural selection is the process where organisms better adapted to their environment tend to survive and produce more offspring.
This occurs because REM sleep may provide at least part of the stimulation necessary to correctly develope the immature brain of infants.
REM sleep provides the electrical activity necessary to establish neural connections that include the development of synapses in the brain. These neurological process enables development of sensory, motor, learning and memory system.
<span>A effect mutation can have on viruses is If a virus mutates then it may change its shape making ti able to bind to the cell and enter into the cell.</span>
This zone is called as the zone of aeration. It is present between the earth's surface and the water table, and its main constituents are the soil and rocks. The pores which are present in this zone are partly filled with water, and may mix up with air, causing aeration.
<span>Sponges possess the defense mechanism of releasing toxins that make a predator</span>
