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In which group of animals does external fertilization primarily occur?
In which group of animals does external fertilization primarily occur?
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Practice Questions
1 question
Q1
In which group of animals does external fertilization primarily occur?
Mammals
Birds
Amphibians
Reptiles
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Amphibians typically undergo external fertilization, where eggs are fertilized outside the female's body.
Questions & Step-by-step Solutions
1 item
Q
Q: In which group of animals does external fertilization primarily occur?
Solution:
Amphibians typically undergo external fertilization, where eggs are fertilized outside the female's body.
Steps: 4
Show Steps
Step 1: Understand what external fertilization means. It is when the male fertilizes the female's eggs outside of her body.
Step 2: Identify the groups of animals that commonly use external fertilization.
Step 3: Recognize that amphibians, such as frogs and toads, are a primary group that uses external fertilization.
Step 4: Note that in amphibians, the female lays eggs in water, and the male releases sperm over the eggs to fertilize them.
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