Give the respective scientific terms used for studying : (i) the mechanism by which variations are created and inherited and (ii) the development of new type of organisms from the existing ones.
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(I) genetics
(II) evolution
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Scientific terms for the given concept
(i) The mechanism by which variations are created and inherited is called heredity.
- The traits posed by the parent are seen in children with some alterations and changes.
- These traits are inherited from the parent by children through genetic material called DNA.
- The changes and alterations lead to variation.
(ii) The development of a new type of organism from the existing ones is called evolution.
- When external or internal changes occur in an existing organism due to environmental changes or genetic alteration, it leads to the development of new organisms.
- Thus the process is biologically termed as evolution.
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