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
Due to photosynthesis, plants convert Sunlight and Carbon Dioxide into Oxygen. All living things breathe in this gas (Oxygen).
Answer:
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2 daughter cells with 6 chromosomes each.
Explanation:
If a cell with six chromosomes undergoes mitosis, it will produce 2 (number) daughter cells that contain 6 (number) chromosomes.
D. Scientists use all of the above skills.
