When a small populations' gene frequencies are changed drastically by chance alone it is called a genetic drift
Answer: C). Sensory neurons, D).motor neurons
Explanation: Sensory neurons are nerve cells that carry signals from the external parts of the body such as the skin, eyes, ear, nose (the sense organs) to the brain.
Motor neurons are nerve cells that carry information or messages away from the central nervous system ( brain and spinal cord) to the rest of the body such as the skin, muscles and glands.
Answer:
i m not sure but the answer may be dry /skeletol
Liquid.
Earth can sustain life because it contains liquid water.
:) !! hope this helps ! have a great day. :D