they are caused by mutation. the best example of it are human blood groups.
Answer:The tails
Explanation:
they face inward on the plasma membrane and are hydrophobic because they repel water.
Answer:
B.ocean trench
Explanation: When tectonic plates slide against each other one overlaps the other.
Answer:
Population growth is the increase in the number of people in a population. Global human population growth amounts to around 83 million annually, or 1.1% per year. The global population has grown from 1 billion in 1800 to 7.9 billion in 2020. ... A popular estimate of sustainable population is 8 billion people.
Explanation:
primary division of the sea, which includes the whole mass of water subdivided into neritic and oceanic zones; also pertaining to the open sea (open water)