Which environmental condition is essential for successful external fertilisation?
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Correct answer: Presence of water
Water is essential for external fertilisation because it allows sperm to swim toward the egg. Without water, gametes would dry out and fail to fuse.
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More Fertilisation in Animals: External vs Internal questions
- Internal fertilisation is most commonly seen in:
- Which advantage is associated with internal fertilisation?
- Which animal group typically exhibits external fertilisation?
- One major disadvantage of external fertilisation is:
- In internal fertilisation, fertilisation usually occurs in the:
- Which adaptation supports internal fertilisation in terrestrial animals?