The sponges in which sperms develop first are included in the category of?
Correct answer: D. Protandrous
- A. Peritandrous
- B. Pertandrous
- C. Protonema
- D. Protandrous
Explanation
Protandry is a reproductive strategy where an organism starts as a male and later becomes a female. In the context of sponges, which are hermaphroditic (possessing both male and female reproductive organs), protandry refers to the fact that sponges initially produce and release sperm before transitioning to producing eggs.
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About Kingdom Animalia
Animals are multicellular, heterotrophic eukaryotes whose cells lack cell walls and chloroplasts, with specialised tissues in most groups. Coverage includes body symmetry, tissue layers, coelom, segmentation and levels of organisation, plus major phyla such as Porifera, Cnidaria, Platyhelminthes, Annelida, Arthropoda, Mollusca and Chordata.
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