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Homework 2/13
| Question | Answer |
|---|---|
| adaptation | a characteristic that helps an organism survive |
| mutation | alterations to your DNA sequence |
| Insertion mutation | when an extra base pair is added |
| deletion mutation | when a base pair is removed |
| harmful mutation | can cause genetic disorders or cancer |
| neutral mutations | neither harmful or helpful mutaiton |
| beneficial mutation | when a mutation helps a species survive |
| natural selection | process by which organisms change over time |
| diversity | how many differences there are in an ecosystem |
| Evolution | Any change in the life on Earth |
| Fossil Record | a record of a fossils discovered and when the species was alive |
| homologous structures | structures that have similar features in different species |
| analogous strucutres | structures that function the same but are not designed the same |
| vestigial structures | structures that once had a function but no longer do. |