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Our Environment

Question

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How are variations important?

Solution

Variations are important as they ensure the survival of species over time and with the changing conditions. The niches and the environmental conditions change with time, the variations in the species helps them to adjust, adapt and survive the changes.

Some More Questions From Our Environment Chapter

Why would an individual waste energy on a process it does not need to stay alive?

Is an offspring exactly similar to its parent? Why or why not?

How are variations important?

What is the importance of DNA copying in reproduction?

Why is variation beneficial to the species but not necessarily for the individual?

Name the methods of asexual reproduction.

Name two organisms which reproduce by (a) budding (6) fragmentation and (c) spore formation.

Why cannot all multicellular organisms divide cell-by-cell like Spirogyra?

How is the problem of dobling of the amount of DNA solved ?

Write names of five plants in which stem is used to produce a new plant.

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