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Questions and Answers
What is the main factor that affects growth?
What is the main factor that affects growth?
- Quality of food (correct)
- Timing of sexual maturation
- Size attained
- Fecundity
What does inadequate nutrition lead to?
What does inadequate nutrition lead to?
- Delayed development
- Enhanced reproductive activity
- Increased size
- Faster growth (correct)
What is the concept related to the timing of sexual maturation?
What is the concept related to the timing of sexual maturation?
- Quality of food
- Size attained (correct)
- Fecundity
- Delayed development
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Study Notes
- Growth depends upon the quantity and quality of food ingested, with inadequate nutrition both retarding growth and delaying developmental transitions, such as the timing of onset of sexual maturation.
- The timing of sexual maturation appears to be more closely associated with size than age, leading to the concept that maturation is initiated once a ‘critical size’ has been attained.
- Further, during adulthood, fecundity or gamete production may be related to body size, and alterations in nutrition can lead to either depression or enhancement of reproductive activity.
- The key facts from the text above are summarized in 10 sentences.
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