Answer: Alligators living in a pond is an example of natural habitats
<span>B) Phosphorus.
ATP is made up of nitrogen, phosphorous, carbon, hydrogen, and oxygen.
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Answer:
I) Sexual reproduction
II) Mutation
Explanation:
Variations refer to the difference observed within organisms of the same species. Variation are introduced into a population by:
- new genetic combinations that occur during sexual reproduction (i.e during meiosis)
- mutations, spontaneous changes that occur in genes and chromosomes.