Evolution Biology

Two species are in different environments and look very similar.  However, that are not closely related.  Their resemblance is most likely an example of.

• sexual selection
• temporal isolation
• convergent evolution
• Coevolution

A bumble bee has just enough weight to open up the snapdragon flower and get the nectar/pollen inside.  Other insects cannot do this. This adaption is an example of........

• convergent evolution
• co-evolution
• divergent evolution
• speciation

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What type of evolution is demonstrated in this photo?  (Hint: the bee and the flower have evolved in response to each other)

• Coevolution
• Convergent evolution
• Punctuated evolution
• Gradualistic evolution

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What is convergent evolution?

• evolution toward similar traits in unrelated species
• evolution toward different traits in closely related species
• elimination of a species from Earth
• the rise of two or more species from one existing species

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How is genetic drift different from natural selection?

• Genetic drift prevents natural selection.

• Genetic drift occurs by chance alone.

• Genetic drift only occurs in marine species.

• Genetic drift is a method used for breeding.

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Characteristics that allow a population to become better suited to its environment

• accommodation
• adaptation
• variation
• selection

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Individuals that survive long enough to reproduce have a high level of

• fitness
• adaptation
• hormones
• stamina

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One of the biggest ways that a species evolves is because some organisms with some traits survive and reproduce better than others. This process is known as

• natural selection

• convergent evolution.

• coevolution

• sexual selection

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An adaptation is

• any trait an organism possesses

• how an organism evolves during its own lifetime.

• a gene an organism has.

• a trait that helps an organism survive in its environment

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Genetic diversity is ultimately/mainly the result of

• meiosis

• viruses

• mutations.

• reproduction

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