Evolution Exam
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
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| All organisms have adaptions. What does the term adaption mean. | Changes that increase the animals chance of survival.
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| Give two examples of behavioral adaptions | 1. Moving slowly to avoid predators
2. Some collect food and store for future use.
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| Give two examples of structural adaptions. | 1. Camouflaged
2. Animals that resemble objects
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| What is evolution | Gradual development of different species from a common ancestor.
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| What was Lamarks theory of evolution. | Organs are improved if used more, and this is passed on through reproduction to the next generation.
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| Is Lamarks theory supported? | No, aquired characteristics cannot be inherited
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| What was Charles Darwin's theory? | Natural Selection, the animals with the most suited characteristics would pass down these characteristics to their offspring.
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| Why did the virus, Myxamotosis, only get rid of the rabbit problem for a limited amount of time? | Because the animals that were immune to the virus passed down that characteristic to their offspring and they reproduced.
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| What do the terms "Selected for" and "Selected against" mean? | "Selected for": Characteristics that allow the organism to survive
Selected Against: Characteristics that do not help the organism to survive.
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| What does the term Variation mean? | There needs to be the same species of animals with the different genes, or else there won't be enough change if the animals environment changed drastically.
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| What is speciation? | Formation of a new species
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| How do we know when two animals are different species? | They have two different types of genes
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| Explain the three steps involved in speciation | 1. Geographic Isolation
2. Natural selection at work
3. Reproductive isolation.
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