As humans sometimes experience, a cold environment can result in<span> </span>shivering<span>. This is when skeletal muscles begin to shake in small movements, creating warmth by expending energy. Humans can also sweat in high temperatures. The water on the surface of the skin is able to absorb a lot of heat during evaporation, resulting in cooling of the body.</span>
Answer: algae
Explanation:
Algae are found in water environment. It uses photosynthesis to produce its food from carbon dioxide in the atmosphere, also in the presence of sunlight.
Unlike other options, algae is the only producer in the food web
Answer:In the central nervous system, the supporting cells are collectively referred to as neuroglia.
Explanation:In the central nervous system, the supporting cells are collectively referred to as neuroglia.
