| (i) What is the mass of cells released by sponges called? How does it help in reproduction? |
| (ii) Mention one dissimilarity between a zoospore and a conidium. |
Answer:
(i) The mass of cells released by sponges is called gemmule. It remains enclosed within a common opaque envelope. This is a reproductive structure, which on germination gives rise to new individuals. (ii) Zoospores are motile and are produced in a sporangium, whereas conidia are non - motile and are produced externally.
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