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Answer:
1) Similarities in the DNA and protein structures of mammal species suggest that these species evolved from a common ancestor.
2) Shared anatomy among mammals, such as hair and mammary glands, suggests that a common ancestral species had these features.
Homologous characteristics and genes between organisms analyze either the organisms are evolved from evolutionary history or from the separate path.
What do you mean by Evolutionary history?
Evolutionary history may be defined as a process of gradual change and development between organisms and even species.
The characteristics of different species of mammals reflect the evolutionary relationships among those species are:
- Shared anatomy among mammals, such as hair and mammary glands, suggests that a common ancestral species had these features.
- Similarities in the DNA and protein structures of mammal species suggest that these species evolved from a common ancestor.
Therefore, homologous characteristics and genes between organisms analyze either the organisms are evolved from evolutionary history or from the separate path.
To learn more about Evolutionary history, refer to the link:
https://brainly.com/question/9753247