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BIO 105 UNIT 4 QUESTIONS WITH COMPLETE ANSWERS

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BIO 105 UNIT 4 QUESTIONS WITH COMPLETE ANSWERS

Institution
BIO 105
Course
BIO 105

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What is a population boom? What is a population bust? Describe the boom and bust
cycles often observed in nature.


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"Booms" characterized by rapid exponential growth are followed by
"busts," during which the population falls back to a minimal level. Example:
hares and lynx. Rapid hare population increase follows rapid decrease
because more food is available for the lynx and they hares get eaten




Convergent Evolution


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, occurs when similar environments and natural selection produce similar
adaptations in organisms from different evolutionary lineages




How do we classify bacteria by gram-stain?


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by looking at the cell wall composition




Ingestion


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Intake of food




What are some of the impacts that the human species has on the ecosystem?


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habitat destruction, decreased biodiversity, over harvesting, temperature
increases, pollution




Homology/Homologous structure


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, Similarity resulting from common ancestry




Coevolution


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Process by which two species evolve in response to changes in each other




Scavengers


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an animal that feeds on the dead bodies of other organisms.




Angiosperms


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flowering plants, which forms seeds
inside a protective chamber called an ovary.




Consumers


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BIO 105
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BIO 105

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