Which of the following is defined as any consistent difference in fitness among phenotypically different classes of biological entities?

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#Question id: 17671

#Unit 9. Diversity of Life Forms

Protection from predators 

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#Question id: 10730

#Unit 10. Ecological Principles

Which of the following index value increasing towards late successional community?

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#Question id: 12159

#Unit 9. Diversity of Life Forms

You are given the task of designing an aerobic, mixotrophic protist that can perform photosynthesis in fairly deep water (e.g., 250 m deep), and can also crawl about and engulf small particles. With which two of these structures would you provide your protist?

1. hydrogenosome

2. apicoplast

3. pseudopods

4. chloroplast from red alga

5. chloroplast from green alga

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#Question id: 3295

#Unit 11. Evolution and Behavior

Males of different species of the fruit fly Drosophila that live in the same parts of the Hawaiian Islands have different elaborate courtship rituals. These rituals involve fighting other males and making stylized movements that attract females. What type of reproductive isolation does this represent?

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#Question id: 28363

#Unit 5. Developmental Biology

Which of the following gene is responsible for the activation of the tips of the embryo and responsible for the specification of terminal axis?