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Seaman--Evolution
Seaman Evolution
| Question | Answer |
|---|---|
| Why can insects adapt quickly to insecticides? | their generation time is very short (they reproduce quickly) |
| What evidence was not available to Darwin when discussing natural selection? | that differences in genes create the variation |
| What is evolution? | process where a population changes slowly over time |
| How would farmer get plants to grow better in certain climates? | selective breeding |
| What is a trait? | a characteristic passed on from parent to offspring |
| What to scientists do to prove that all species have a common ancestor? | compare their DNA |
| What is it called when a species adapts to environment and survives and reproduces more successfully than those that do not adapt? | natural selection |
| What is adaptation? | a species change in behavior or appearance in response to their enviornment |
| What is a fossil? | trace of remains of an organism usually found in sedimentary rock |
| Only a few of a spiders hundreds of eggs survive--what is this an example of? | overproduction |
| What feature did whales possible inherit from their 4-legged ancestor? | hip bones |
| What helps limit a species? | competition, disease, starvation, and predation |
| What usually is the first step in speciation? | a part of a species is separated physically or geographically |
| What is selection? | process in which genes make organisms more likely to survive and reproduce |
| What are examples of natural selection? | elephants passing the tuskless trait, insects being resistant to pesticides, male birds getting very colorful feathers |
| vocab: fossil record | a timeline of life |
| vocab: speciation | process of separation, adaptation, and division |
| vocab: population | groups of same species living in same place |
| vocab: species | group of organisms that can mate and to reproduce fertile offspring |
| vocab: natural selection | processes which include the struggles to survive and successful reproduction |
| vocab: Darwin | a naturalist who stated that evolution happens through natural selection |
Created by:
ellist
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