Answer: c algae colonies are made up of similar cells that work together
Explanation:
5 grams will be left. After the first 1000 years, there will be half of 20 left, or 10. After 2000 years, half of 10 will remain, which is 5.
If a mutation results in an organism with new characteristics then eventually a new species will be formed if more such mutations will continue to accumulate in the individual. Mutations result into the accumulation of variations in an individual and when such variations keep on accumulating in a particular organism consistently it leads to formation of a new species or we can say that evolution has occured.
The future is unclear but a wild guess you would look at the height of his or her parents and then there parents and that might tell you the child's future height hope that this helps if not message me
