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प्रश्न
Name the parts shown in the diagram.
Human jaw
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उत्तर
Wisdom teeth
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
Explain with an example for the given, how the following provides evidence in favor of evolution in organisms:
Homologous organs
Find out from newspapers and popular science articles any new fossil discoveries or controversies about evolution.
Give the importance of fossil in support of organic evolution
Name the scientists who Discovered the fossil of Australopithecus
What are homologous organs?
Differentiate between analogous and homologous structures.
Some dinosaurs had feathers although they could not fly birds have feathers that help them to fly. In the context of evolution, this means that ______
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
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.
Write a short note based on the information known to you.
Connecting link
“Appearance of melanised moths post-industrialisation in England is a classic example of evolution by natural selection.” Explain.
With the help of diagrams, describe emasculation and bagging.
The decaying process of C-14 occurs continuously in dead organisms only.
Give scientific reason.
Peripatus is said to be the connecting link between Annelida and Arthropoda.
Biogenetic law states that ______.
How do you differentiate homologous organs from analogous organs?
Select the CORRECT set of homologous organs.
The fossil remains of Archaeopteryx is a connecting link between ______
Organs having similar functions but different origin and development are known as:
