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Diversity In Living Organisms
How do annelied animals differ from arthropods?
These are differences between annelied animals and arthropods:
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Annelid animals |
Arthropods |
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1. They have the true body cavily (coelomic cavity). The coelomic cavity is not blood filled. 2. Body bears lateral appendages for locomotion in the form of chitineous setae or parapodia. 3. Annelids like earthworm and leech do not have chitinous exoskeleton. |
1. The coelomic cavity is blood filled. 2. They have jointed legs for locomotion. 3. They have chitinous exoskeleton. |
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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.
Why a method of classification of animals proposed by Aristotle was not accepted ? Explain with example.
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