Advertisements
Advertisements
Question
(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
Solution
(a) The combinations with analogous structures are
i. Eyes of octopus and mammals.
ii. Tubers of sweet potato and potato.
(b) These analogous structures represent convergent evolution.
APPEARS IN
RELATED QUESTIONS
Select two pairs from the following which exhibit divergent evolution. Give reasons for your answer.
(i) Forelimbs of cheetah and mammals
(ii) Flippers of dolphins and penguins
(iii) Wings of butterflies and birds
(iv) Forelimbs of whales and mammals
Enlist any four sequential evolutionary names of human ancestors.
Explain with an example for the given, how the following provides evidence in favor of evolution in organisms :
Analogous organs
Name two animals having homologous organs and two having analogous organs. Name these organs.
Write the names of those animals in whom the human body organs are functioning.
Which evidence of evolution is shown in the given picture? Explain the importance of this evidence.
Observe the following images and answer the questions.
- Which evolutionary evidences are indicated in the given picture?
- How are they formed?
- Which method is used to measure their age or their time?
Homologous organs and vestigial organs are examples of ______ type of evidence in evolution.
Organs having similar functions but different origin and development are known as:
Explain natural selection with the example of industrial melanism.