What are the differences between animals belonging to the Aves group and those in the mammalia group?
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Aves |
Mammals |
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1. They beak. 2. Their body is covered with feathers. 3. Forelimbs are modified into wings for flight. 4. They lay eggs. 5. They do not have mammary gland to produce milk for young ones. |
1. They do not have beak. 2. Their body is covered with hair. 3. Forelimbs are not modified into wings. 4. They produce live young ones. 5. They have mammary glands to produce milk for young ones. |
Why do we classify organisms?
List the names of five kingdom of organism. What type of organisms they composed of?
Write down the hierarchic categories which are generally used for classification of animals.
What are the characteristic of kingdom Monera?
