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Diversity In Living Organisms

Question

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How do poriferan animals differ from coelentrate?

Solution

Poriferan

Coelentrate

1. There are pores called ostia all over the body and a large opening at the top.

2. There canal system for circulating water throughout the body.

3. External skeleton is present.

4. The body design show minimal differentiation.

5. Tentacles are absent.

1. There is only one opening.

2. There is no water canal system in the body.

3. Skeleton is absent.

4. They show more body design differentiation.

5. Tentacles are present.

Some More Questions From Diversity In Living Organisms Chapter

Explain the basis for grouping organisms into five kingdoms.

What are the major divisions in the plantae? What is the basis for these divisions?

How are the criteria for deciding divisions in plants different from the criteria for deciding the subgroups among animals?

Explain how animals in vertebrata are classified into further subgroups.

Name the biggest animal and the tallest tree.

What is classification?

Name the branch of science which deals with classification.

Why do we classify organisms?

Give three examples of the range of variations that you see in life form around you.

What was the basis of animal classification done by Aristotle.

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