2. What is the advantage of having multiple larval stages? 3. Adults, juveniles,
ID: 253900 • Letter: 2
Question
2. What is the advantage of having multiple larval stages? 3. Adults, juveniles, and embryos each perform similar functions in simple and complex life cycles. What are some functions of the larval stage? How does the larval stage differ from the embryo and juvenile stages? hat physical features of the larvae make them well adapted for planktonic life? What is the purpose of having a planktonic life stage? What are the advantages of juveniles having the same form as adults rather than larval stages or naiads? What are the advantages of having larval stages or naiads rather than juveniles with the same form as adults? 4. W 5.Explanation / Answer
2. Most of the invertebrates possess larval stages in their life. The larval stage develops into juvinile and then into adult. Larval stage is produced after embryonic development. The larval stage enables to handle a mode of life and corresponding smaller size of the newly produced organism.Larva has the ability to exploit different environments. This is because larval body organization is very different from the adults.
A terrestrial adult may produce aquatic larvae or a flying adult may produce burrowing larvae, and a parasitic adults can produce a free-living larva.The larval stages of sessile adults may be produced with free movement on land or i n water. the free living larvae of sedentary animals help to the dispersal of the species.
Larval stages of internal parasites have great advantage of moving from one host to another very easily and thus can explore new hosts through infectious larva stages. Larval stages enable complete development to occur before they metamorphose into adults. Metamorphosis is an evolutionary advantageous character in insects and parasites producing numerous and distinct species.
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