Transcription of REPRODUCTION IN ANIMALS D
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REPRODUCTION IN ANIMALS D
REPRODUCTION IN ANIMALSREPRODUCTION IN ANIMALSDo you recall the processes ofdigestion, circulation andrespiration which you havestudied in your previous classes? Theseprocesses are essential for the survivalof every individual. You have also learntabout the process of REPRODUCTION inplants. REPRODUCTION is essential for thecontinuation of a species. Imagine whatwould have happened if organisms hadnot reproduced. You will realise thatreproduction is very important as itensures the continuation of similarkinds of individuals, generation have already learnt in yourprevious class about REPRODUCTION inplants. In this chapter, we shall learnhow REPRODUCTION takes place Modes of ReproductionHave you seen the young onesof different ANIMALS ? Try to name someof the young ones by completingTable shown in examples at S. and must have seen the youngones of various ANIMALS being you tell how chicks andcaterpillars are born?
different from the adults. Recall the life cycle of the silkworm (egg → larva or caterpillar → pupa → adult) you studied in Class VII. Frog is another such example (Fig. 9.10). Observe the different stages of frog starting from the egg to the adult stage. We find that there are three distinct stages, that is, egg → tadpole (larva ...
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