QQuestionBiology
QuestionBiology
"Explain the difference between oviparous, ovoviviparous, and viviparous modes of development. Provide an example of each.
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Answer
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Step 1I'll solve this problem step by step, explaining the differences between these reproductive strategies:
Step 2: Oviparous Reproduction
\text{Oviparous Reproduction} = \text{External egg development} + \text{No direct maternal nutrition}
- Definition: Organisms that reproduce by laying eggs outside the body - Eggs are fertilized and develop externally in the environment - Eggs are typically protected by a hard or soft shell - Example: Chickens, most fish, reptiles, and most birds - The embryo receives nutrients from the egg yolk
Final Answer
The key differences are in egg development location and nutrient source: - Oviparous: External egg, yolk-based nutrition - Ovoviviparous: Internal egg, yolk-based nutrition - Viviparous: Internal development, direct maternal nutrition
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