important questions of "how do organisms reproduce ?" for sa 2

Asked by hrushikesh.barik | 14th Feb, 2017, 08:12: PM

Expert Answer:

1. Give and advantage of vegetative propagation.
2. Variation is useful for the survival of species over time. But the variants have unequal chances of survival. Explain this statements.
3. Compare the processes of binary fission and multiple fission using diagrams.
4. What is the main difference between sperms and eggs of humans? Write the importance of this difference.
5. Explain the role of placenta in the development of human embryo.
6. Differentiate between pollination and fertilization.

Answered by Sivanand Patnaik | 15th Feb, 2017, 08:24: AM

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