external fertilizationの例文

例文

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1. The structure of sirens'reproductive systems suggests they employ external fertilization.
2. Marine species all lay eggs and use either internal or external fertilization.
3. Corals reproduce sexually by either internal or external fertilization.
4. Other animals reproduce sexually with external fertilization, including many mammals copulate vaginally.
5. Within iteroparous fish, they usually give no parental care with external fertilization.