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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 the connecting links between Peripatus with Annelida and Arthopoda.
Differentiate between analogy and homology giving one example each of plant and animal respectively.
How analogy and homology considered as an evidence in support of evolution ?
Explain the terms analogous and homologous organs with examples.
Differentiate between analogous and homologous structures.
You have potato, carrot, radish, sweet potato, tomato and ginger bought from the market in your jute bag. Identify two vegetables to represent the correct homologous structures.
(A) Potato and tomato
(B) Carrot and tomato
(C) Potato and sweet potato
(D) Carrot and radish
Read the following statement and justify the same in your own words with the help of a suitable example.
There is evidence of foetal science among chordates.
Answer the following question.
Wisdom teeth : Vestigial organs :: Lungfish : ....................
Short answer question.
Give the significance of fossils.
Complete the flowchart.
Which of these is not a vestigial organ in human beings?
Define vestigial organs.
The presence of gill slits, in the embryos of all vertebrates, supports the theory of ______.
Fossils are generally found in ______.
While creation and presence of variation is directionless, natural selection is directional as it is in the context of adaptation. Comment.
Complete the following diagram:
Find odd one out:
Industrial melanism was highlighted by ______.
Write names of some vestigial organs in the human body.
