A cone, a cylinder and a hemisphere stand on equal bases and have equal heights. The ratio of their volumes is

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#Question id: 12104

#Unit 10. Ecological Principles

Two barnacles, Balanus and Chthamalus, can both survive on the lower rocks just above the low-tide line on the Scottish coast, but only Balanus actually does so, with Chthamalus adopting a higher zone. Which of the following best accounts for this niche separation?

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#Question id: 18881

#Unit 13. Methods in Biology

A compound microscope’s magnification power is independent of 

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#Question id: 18080

#Unit 9. Diversity of Life Forms

The following are all adaptations to life on land except

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#Question id: 7081

#Unit 5. Developmental Biology

In xenopus, If either Nodal or Vg1 signaling is blocked, there is:

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#Question id: 33241

#Unit 1. Molecules and their Interaction Relevant to Biology

Carbonic anhydrase contains an essential Zn²⁺ ion which is involved in