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