Organisms (belonging to the same species) may adapt in different ways to better exploit different environments or resources-- survival of the fittest. They also may evolve varied characteristics for attracting mates for reproduction. This means that different groups evolve differently. Over time, these groups or populations may become so different that they can no longer breed together -- and separate species are formed.
Cultural competence
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Because each child is unique so they each act differently and do stuff/complete stuff in different ways
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When we say emotional readiness, this is when you gain understanding of the given practices and development that will contribute to a positive outcome. This includes education and proper support. Why emotional readiness is necessary for good parenting because this will help the parents know on what and what not to do as they raise their children. Emotional readiness would also allow the parents on how they can keep tract and support their children's needs and development.