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प्रश्न
I am a connecting link between reptiles and mammals. Who am I?
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उत्तर
Duck-billed platypus
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संबंधित प्रश्न
State a reason for the increased population of dark coloured moths coinciding with the loss of lichens (on tree barks) during industrialization period in England.
The organs P and Q of two animals have different structures but similar functions. On the other hand, the two organs R and S of two other animals have the same basic structure but different functions.
(a) What are the organs like P and Q known as?
(b) Name the organs like P and Q. Also name the animals which have such organs.
(c) What are the organs like R and S called?
(d) Name the organs like R and S. Also name the animals which have such organs.
What do we call the degenerated or partially developed useless organs in living organisms? Enlist such organs in human body? How the same organs are useful in other animals?
Write a short note based on the information known to you.
Connecting link
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Find an odd one out.
Which evidence of evolution is shown in the given picture? Explain the importance of this evidence.
The fossil remains of Archaeopteryx is a connecting link between ______
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Cucurbits do not develop thick and woody stem as they are:
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Flippers of Penguins and Dolphins are examples of:
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Write avian characters of Archaeopteryx.
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Define the term:
Homologous organs
