Advertisements
Advertisements
प्रश्न
Observe the picture and answer the following questions.
A) Which evidence of evolution is shown in the picture?
B) What can be proven with this proof?
C) Give one more example of evidence of evolution
Advertisements
उत्तर
A) Embryological evidence of evolution has been shown in the picture.
B) Similarities between all embryos in early stages indicates that all those animals may have common ancestor.
C) Vestigial organs, Connecting link, etc.
APPEARS IN
संबंधित प्रश्न
State the connecting links between Peripatus with Annelida and Arthopoda.
Differentiate between homology and analogy. Give one example of each.
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.
Give the importance of fossil in support of organic evolution
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
The forelimbs of a frog, a bird and a man show the same basic design (or basic structure) of bones. What name is given to such organs?
The organs which perform different functions but have the same basic structure are known as :
(a) homologous organs
(b) analogous organs
(c) homolytic organs
(d) analytic organs
One pair of organs in the following animals are not homologous. This is :
(a) forelimbs in humans and lizard
(b) forelimbs in lizard and frog
(c) wings in butterfly and bat
(d) wings in bat and bird
Explain with suitable examples importance of anatomical evidence in evolution.
With the help of diagrams, describe emasculation and bagging.
Define fossil.
Short answer question.
Give the significance of fossils.
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.
Give scientific reason.
Duck-billed platypus shows relationship with mammals.
Write a short note:
Embryological evidences
Complete the flowchart.
Which evidence of evolution is shown in the given picture? Explain the importance of this evidence.
How do you differentiate homologous organs from analogous organs?
Select vestigial organs from the following.
Tendons and ligaments are examples of ______.
Palaeontological evidence for evolution refers to the ______.
Study of fossils is ______.
Evolutionary convergence is the development of:
The process of mating of individuals, which are more closing related than the average of the population to which they belong is called ______.
Which is not a vestigial organ in a man?
Which of the following is used as an atmospheric pollution indicator?
Fossils are generally found in ______.
How do we compute the age of a living tree?
While creation and presence of variation is directionless, natural selection is directional as it is in the context of adaptation. Comment.
The evolutionary story of moths in England during industrialisation reveals, that 'evolution is apparently reversible'. Clarify this statement.
Explain divergent evolution in detail. What is the driving force behind it?
Give a scientific reason.
Morphological evidences suggest that dog, sheep and wolf have a common origin.
Write down the difference between homologous and analogous organs.
Evolutionary convergence is the development of a ______.
Define Palaeontology.
Write names of some vestigial organs in the human body.
