Vary in the number of neutrons but Sama in the number if protons are called isotopes
<span>The double helix of dna is which level of structure? a.Primary
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All the branches of science that deal with the scientific study of living organism are called life sciences. e.g; botany,zoology,anatomy,biochemistry,embryology etc..
Answer:
Ecology is the branch of biology that deals with the relations of organisms to one another and to their physical surroundings.
