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: 1570

#Unit 4. Cell Communication and Cell Signaling

Which cells and which signaling molecules are responsible for initiating an inflammatory response?

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#Question id: 11107

#Unit 7. System Physiology – Animal

Which one of the following is NOT a factor influencing respiratory rate and depth:

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#Question id: 15786

#Unit 5. Developmental Biology

Although iPSCs are functionally pluripotent, they are best at generating the cell types of the organ from which the parent somatic cell (naïve versus primed ESCs) originated. These data suggest that

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#Question id: 14848

#Unit 13. Methods in Biology

A bag contains 8 green and 10 white balls. Two balls are drawn. What is the probability that one is green and the other is white ?

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#Question id: 966

#Unit 1. Molecules and their Interaction Relevant to Biology

 In the urea cycle the nitrogen atoms originate from ________.