California State University, San Marcos BIOLOGY 3 Biology 3.3.5 Adaptation and Natural Selection

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3.3.5 Practice: Adaptation and Natural Selection Practice Assignment Florida Biology Sem 2 (S2974161) Christopher Bianco Points possible: 25 Date: ____________ 1. Draw a lake and label the photic, ... aphotic, littoral, limnetic, and benthic zones. (1 point) 2. Why do overlapping niches lead to competition? (1 point) A niche is the role an organism plays in an ecosystem or community. An organisms niche also includes its place in the food web, it's need for space, water, shelter, sunlight etc. If there are more organisms with the same niche, then competition for these factors will increase 3. After an extreme disturbance, what kind of organisms move into the area first? (1 point) Small organisms / Organisms that can reproduce faster than others 4. The graph below shows the population of a species over time. [Show More]

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