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Question
Complete the following chart:
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Solution
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RELATED QUESTIONS
Differentiate between homology and analogy. Give one example of each.
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
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.
Four students P, Q, R and S differently reported the following set of organs to be analogous :
P. Forelimb of a frog and forelimb of a lizard
Q. Forelimb of a bird and forelimb of a human
R. Wings of a parrot and wings of a butterfly
S. Wings of a bird and wings of a bat
The two students who have reported correctly are :
(A) P and Q
(B) Q and R
(C) R and S
(D) P and S
An example of homologous organs is
Attempt giving a clear definition of the term species.
Select and write analogous structures from the list given below :
1) Wings of butterfly and birds
2) Vertebrate hearts
3) Tendrils of Bougainvillea and Cucurbita
4) Tubers of sweet potato and potato
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 ______
The presence of which of the following types of organs in two animals indicates that they are not derived from a common ancestor?
(a) homologous organs
(b) excretory organs
(c) analogous organs
(d) reproductive organs
The presence of which of the following types of organs in two organisms indicates that they are derived from the same ancestor?
(a) analogous organs
(b) respiratory organs
(c) digestive organs
(d) homologous organs
What are homologous structures?
I am a connecting link between reptiles and mammals. Who am I?
Give scientific reason.
Peripatus is said to be the connecting link between Annelida and Arthropoda.
Select the correct statement.
Which of these is not a vestigial organ in human beings?
Cucurbits do not develop thick and woody stem as they are:
Which of the following is used as an atmospheric pollution indicator?
Give a scientific reason.
Morphological evidences suggest that dog, sheep and wolf have a common origin.
Industrial melanism in England after 1850 is an excellent example of Natural selection. Explain how?
Pick the odd man out:
