Explanation:
charles darwin proposed thoery of natural selection.he had collected imnumerable specimens of plant and animals.he published concept survival of fittest. while explaining he says that There is always competition for food.only those organism survive which shows adptations in various reasons. it thoery of natural selection.
There are some objections,
1. natural selection is not only factor responsible for evolution.
2. darwin did not mention uesful and useless modifications.
3. There is no explanation about slow and abrupt changes
It should be natural selection since there is no external influence implied. (like environment or genetic mutations.)
Answer:
1. interphase is the portion of the cell cycle that is not accompanied by gross changes under the microscope while phases is a distinct period or stage in a series of events or a process of change our development.
The rodent will become extinct or die due to the drastic temperature increase in a short period of time.
