Answer:
Bacteria
Explanation:
Because it is a living thing that can affect other organisms
It was at that POINT MUTATION began
<u>Answer</u>:
Option d. many small changes can create a whole new species
<u>Explanation</u>:
In the natural selection when the animals gets adapted in a better manner, they tends to thrive in and gets the ability to reproduce more which leads to the formation of the new bigger species. It leads to a change when the individual with few characteristic have the survival chance more also the reproductive rate as compared to others individuals in the group and also passes these inheritable genetic traits to the offspring.
The answer is A: Mass extinction.
"Abrupt disappearance of many land and marine species" = extinction of many species.
