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Diversity In Living Organisms

Question

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How are pteridophytes different from the phanerogams?

Solution

These are differences between pteridophytes and phanerogams:

Pteridophytes

Phanerogams

1. Pteridophytes have naked embryos that are called spores.

2. The reproductive organs are inconspicuous, therefore called cryptogamae (those with hidden reproductive organs).

1. Phanerogams produce seeds which consists of embryo and stored food.

2. They have well differentiated reproductive tissues which after reproductive process produce seeds.

Some More Questions From Diversity In Living Organisms Chapter

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.

Why a method of classification of animals proposed by Aristotle was not accepted ? Explain with example.

What do you mean by ‘characteristics’? Explain with example.

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