Which of the following terms or structures is properly associated only with animals?

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#Question id: 10671

#Section 2: Evolution

The principle of competitive exclusion states that

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#Question id: 12372

#Section 1: Ecology

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: 4572

#Section 2: Evolution

Of the following anatomical structures, which is homologous to the wing of a bird?

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#Question id: 3308

#Section 2: Evolution

Consider a single locus with 3 alleles which are at Hardy- Weinberg equilibrium. If the frequency of all homozygous genotypes is 0.54, what is the frequency of allele in population?

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#Question id: 10873

#Section 2: Evolution

Allelopathy is a form of ________ competition.