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Life Processes

Question

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Differentiate between excretion and egestion.

Solution

Excretion	Egestion
Removal of waste products formed in the body due to its metabolic activities is called excretion.	Elimination of undigested material through the rectum and the anus is called egestion.

Some More Questions From Life Processes Chapter

Why does a single-celled organism not need specific organs for taking in food, exchange of gases or removal of wastes?

Why is diffusion insufficient to meet the oxygen requirements of multicellular organisms like humans?

What criteria do we use to decide whether something is alive?

What are outside raw materials used for by an organism?

What processes would you consider essential for maintaining life?

From where do you get the energy to do work from?

Name the main modes of nutrition.

What are the modes of nutrition other than autotrophic nutrition?

What are the raw materials for photosynthesis?

What is the primary source of energy for all living beings?

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