English
Maharashtra State BoardSSC (English Medium) 10th Standard

Answer the Following Question.Wisdom Teeth : Vestigial Organs :: Lungfish : ....................

Advertisements
Advertisements

Question

Answer the following question.
Wisdom teeth : Vestigial organs :: Lungfish : ....................

Advertisements

Solution

Wisdom teeth : Vestigial organs :: Lungfish : Connecting links

shaalaa.com
  Is there an error in this question or solution?
2018-2019 (March) Balbharati Model Question Paper Set 3

RELATED QUESTIONS

State the connecting links between Peripatus with Annelida and Arthopoda.


What are vestigial organs?


Explain with an example for the given, how the following provides evidence in favor of evolution in organisms:

Homologous organs


Name the scientists who Discovered the fossil of Australopithecus


Human tailbone is a vestigial organ. Explain.


Wing of an insect and forelimb of a bird are :
(a) analogous organs
(b) analeptic organs
(c) homologous
(d) homophobic organs


There are five animals A, B, C, D and E. The animal A uses its modified forelimbs for flying. The animal B uses its forelimbs for running whereas the animal C uses its forelimbs for grasping. The animal D can live on land as well as in water and uses its forelimbs to prop up the front end of its body when at rest. The animal E which respires by using spiracles and tracheae uses wings for flying but its wings are analogous to the modified forelimbs of animal A.
(a) What could the animals A, B, C, D and E be?
(b) Why are the forelimbs of animals A, B, C, D called homologous organs?
(c) What does the existence of homologous organs in animals A, B, C and D tell us about their ancestors ?
(d) Why are the modified forelimbs of animal A and the wings of animal E called analogous organs?
(e) State whether animals A and E have a common ancestor or not.


With the help of diagrams, describe emasculation and bagging. 


Define phylogeny.


Observe the given images and answer the following questions.

  1. Which evolutionary evidence does it indicate?
  2. What does it prove?
  3. State another example of evolutionary evidence.

Observe the following images and answer the questions.

  1. Which evolutionary evidences are indicated in the given picture?
  2. How are they formed?
  3. Which method is used to measure their age or their time?

Select the CORRECT match.


Select the CORRECT set of homologous organs.


Homologous organs are:


The process of mating of individuals, which are more closing related than the average of the population to which they belong is called ______.


Flippers of Penguins and Dolphins are examples of: 


You have studied the story of Peppermoths in England. Had the industries been removed, what impact could it have had on the moth population? Discuss.


Find odd one out:


Find the odd one out:


Explain natural selection with the example of industrial melanism.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×