The range of abiotic and biotic conditions under which a species persists is its realized niche. 

The realized niche determines the geographic range of a species or of various populations that compose a species.

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#Id: 6727

#Unit 8. Inheritance Biology

Generalized transduction Transduction in which any gene can be transferred from one bacterial cell to another by a virus.Specialized transduction Transduction in which genes near special sites on the bacterial chromosome are transferred from one bacterium to another.

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#Id: 7471

#Unit 4. Cell Communication and Cell Signaling

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#Id: 3865

#Unit 5. Developmental Biology

A second glycoprotein secreted during starvation is CMF (conditioned medium factor)

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#Id: 7529

#Unit 6. System Physiology – Plant

PHYSIOLOGICAL EFFECTS OF AUXIN:

Three main guidance systems control the orientation of plant growth:

Phototropism, 

Gravitropism, 

Thigmotropism

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#Id: 3524

#Unit 2. Cellular Organization

The coexistence of multiple alleles at a locus in a population is called genetic polymorphism. A locus is usually defined as polymorphic if two or more alleles are present at a frequency of more than 1% in the population.