Reproductive strategies

1.Semelparity

2.Iteroparity

Semelparity - When organisms reproduce only once during their life

Ex- insects, other invertebrates, and occurs in organisms such as salmon, bamboo grasses, and agave plants

Iteroparity - When organisms reproduce multiple times during their life.

It is common in most vertebrates and perennial plants, such as trees

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d-mannose and d-talose are epimers and d-glucose and d-mannose are epimers, whereas d-glucose and d-talose are not epimers but merely diastereomers

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#XL - T Zoology

Two sugars that differ in configuration at only one chiral center are described as epimers.

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Isomers that have opposite configurations at one or more of the chiral centers but that are not mirror images of each other are called diastereomers

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#XL - T Zoology