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: 3281

#Unit 11. Evolution and Behavior

One population X has 750 AA, 0 Aa, and 250 aa; the other Y has 500 AA, 500 Aa, and 0 aa. After one generation of random mating, the genotype frequencies X and Y respectively if the population size remains 1,000.

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#Question id: 5230

#Unit 11. Evolution and Behavior

Homeotic genes

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#Question id: 10744

#Unit 10. Ecological Principles

Something that triggers a fixed action potential (FAP) is considered to be a(n) _____________.

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#Question id: 1048

#Unit 4. Cell Communication and Cell Signaling

A virion is composed of

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#Question id: 23407

#General Aptitude

A reporter says the number of bus accidents is more than that of car accidents, the number of car accidents is less than that of bus accidents. Which of the following conclusion can be drawn the report?