Below is a list of various bird groups, with their typical age at maturity (in years). Which of these would you expect to have the greatest annual survival?

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#Question id: 12372

#10. Ecological Principles

In a particular case of secondary succession, three species of wild grass all invaded a field. By the second season, a  single species dominated the field. A possible factor in this secondary succession was

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#Question id: 7700

#9. Diversity of Life Forms

The legless condition that is observed in several groups of extant reptiles is the result of ________.

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#Question id: 16108

#7. System Physiology – Animal

What is the result of a rise in body temperature?

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#Question id: 8854

#9. Diversity of Life Forms

Which cells in a sponge are primarily responsible for trapping and removing food particles from circulating water?

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#Question id: 3879

#3. Fundamental Processes

Which of the following is not usually essential for the catalytic activity of ribozymes?