What are Pteridophyta?
Pteridophyta are group of plants that have body differentiated into roots, stem and leaves. They possess a specialised tissue for the conduction of water and other substances from one part of the plant body to another. Example, Marsilea, ferns and horse tail.
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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