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Rama09 [41]
3 years ago
12

Why do structural similarities between living things point to common ancestry?

Biology
1 answer:
adoni [48]3 years ago
5 0

Explanation:

Comparative anatomy is the study of the similarities and differences in the structures of different species. Similar body parts may be homologies or analogies. Both provide evidence for evolution. ... The structures are similar because they evolved to do the same job, not because they were inherited from a common ancestor.

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Secondary Reinforcement can be described as a condition in which  a stimulus initiates a behavior after being previously associated with a primary reinforcer. A secondary reinforcement is a stimulus that satisfies basic survival instinct such as food, drinks, and clothing.

The same phenomenon was being used by Samson to train his dolphins to perform tasks. The dolphins enjoyed the sound of the whistle because previously that sound was paired to them getting their food.

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