Taste
Taste buds or taste receptor cells in the tongue allow a person to taste the different flavors of the food he or she eats. An average person has around 10,000 of these cells, which gets replaced every week or two. As a person gets older, cell replacement is much slower and some of these cells do not get replaced anymore. An older person may then have only about 5,000 working taste buds.
The answer is B. controlling the flow of blood to the skin
No photosynthesis takes place in night, at night the plant uses the stored glucose as fuel and oxygen from Atmosphere to Respirate
Answer:
Biotechnology greatly improved biodiversity. For example, Genetic modification produces genetically modified animals, plants and organisms. If they are introduced into the environment they can affect biodiversity. For example, existing species can be overrun by more dominant new species. Assessing the impact on biodiversity requires knowledge.