The sponges in which sperms develop first are included in the category of__________?
Correct answer: D. Protandrous
- A. Peritandrous
- B. Pertandrous
- C. Protendrous
- D. Protandrous
Explanation
Protandrous sponges produce functional sperm before eggs, reducing the chance of self-fertilization and encouraging cross-fertilization. The word protandrous refers specifically to male function appearing first. Students may choose c because it looks like a spelling variant, but the accepted term is protandrous.
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