Which of the following scenarios describe an ecological succession?

A. The site of a volcano eruption that is going back to its pre-eruption state
B. The regrowth of a forest after a fire
C. An old field left abandoned that transforms back into a forest over time
D. All of the above are examples of ecological succession


Answer: D

Biology & Microbiology

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A) deep-sea vent B) coral reef C) intertidal D) pelagic E) estuary

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A defect in the HoxA-3 would most likely result in:

A. defects of the thyroid. B. defects of the limbs. C. an enlarged heart. D. defects of the lungs. E. abnormal positioning of the kidneys.

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In which of these stages does the chromosome consist of two chromatids?

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Natural selection is a process by which:

a. the characteristics of individuals change over time. b. the characteristics of populations change over time. c. Both of the above. d. None of the above.

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