Bacteria would be an example of a prokaryotic cell.
hope this helps. (:
Answer:
variation in skin color.
Explanation:
The human skin color is determined genetically depending on the amount of melanin. However pigmentation can occur as a results of exposure to uv rays that causes induced pigmentation.
The sun emits two types of ultra violet rays which can reach can reach the skin namely the uva and uvb. Both type of rays can damage the skin if unprotected. Due to this there was evolution against the damaging rays. More melanin that provides a natural sunscreen to the people leaving in the tropic environment.
Na: positive; OH: negative
I think it would be in your white blood cells
Abiotic factors (non-living things) in a tropical rainforest include temperature, humidity, soil composition, air, and many others. A few of the many biotic factors (living things) in that forest are toucans, frogs, snakes, and anteaters. All of the biotic factors are dependent upon the abiotic factors
