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प्रश्न
Answer the following question.
Wisdom teeth : Vestigial organs :: Lungfish : ....................
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उत्तर
Wisdom teeth : Vestigial organs :: Lungfish : Connecting links
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संबंधित प्रश्न
(a) Select the analogous structures from the combination given below:
(i) Forelimbs of whales and bats
(ii) Eyes of octopus and mammals
(iii) Tuber of sweet potato and potato
(iv) Tuber of Bougainvillea and tendrils of Cucurbita
(b) State the kind of evolution they represent
Study the following statements:-
I. Wings of birds and wings of bats are homologous organs.
II. Wings of birds and wings of insects are modified forelimbs.
III. Wings of birds and wings of insects are analogous organs.
IV. Wings of birds and forelimbs of horse are homologous organs.
The correct statements are
(A) I and II
(B) II and III
(C) III and IV
(D) I and IV
With the help of any two suitable examples explain the effect of anthropogenic actions on organic evolution.
“Two areas of study namely 'evolution' and 'classification' are interlinked'. Justify this statement.
An example of homologous organs is
Find out from newspapers and popular science articles any new fossil discoveries or controversies about evolution.
Differentiate between analogous and homologous structures.
Out of bacteria, spider, fish and chimpanzee, which organism has a better body design in evolutionary terms? Give reason for your answer.
Identify the following pairs as homologous and analogous organs:
(i) Sweet potato and potato
(ii) Eye of octopus and eye of mammals
(iii) Thorns of Bougainvillaea and tendrils of Cucurbits
(iv) Fore limbs of bat and whale
Vestigial organ ______ present in human body is proof of evolution.
Write short notes based upon the information known to you.
Embryology
Explain with suitable examples importance of anatomical evidence in evolution.
The most common types of fossils are ------------------------.
Explain any three molecular (genetic) evidences in favour of organic evolution.
Define fossil.
Define phylogeny.
Short answer question.
Give the significance of fossils.
Long answer question.
Would you consider wings of butterfly and bat as homologous or analogous and why?
Explain the importance of Anatomical evidences with examples.
Find an odd one out.
Give scientific reason.
Peripatus is said to be the connecting link between Annelida and Arthropoda.
Write a short note:
Embryological evidences
Complete the flowchart.
Enlist the evidences of evolution.
Define the evidence of evolution shown in the figure.
What is carbon dating?
How do you differentiate homologous organs from analogous organs?
Where is carbon dating used?
Evolutionary convergence is the development of:
Which is not a vestigial organ in a man?
Which of the following is used as an atmospheric pollution indicator?
Animal husbandry and plant breeding programmes are the examples of ______.
The bones of forelimbs of whale, bat, cheetah and man are similar in structure, because ______.
Fossils are generally found in ______.
Did aquatic life forms get fossilised? If, yes where do we come across such fossils?
While creation and presence of variation is directionless, natural selection is directional as it is in the context of adaptation. Comment.
What is the function of the appendix of our digestive system?
Industrial melanism in England after 1850 is an excellent example of Natural selection. Explain how?
Give one example of homologous organs found in plants.
