NEET BIOLOGY

GENETICS AND EVOLUTION

EVOLUTION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Evidence from fossils and rocks indicate that the Earth’s continents were all joined together in a super continent known as
A
Pandora
B
Pangaea
C
Panacea
D
Panera
Explanation: 

Detailed explanation-1: -Scientists have found that rocks on the east coast of South America are the same as rocks found on the west coast of Africa. These rocks are different from rocks found in other places on Earth, suggesting that the continents were once connected. Plant and animal fossils also reveal evidence.

Detailed explanation-2: -Fossil Evidence This suggests that the continents were once joined. For example, fossils of Mesosaurus, a freshwater reptile, have been found both in Brazil and western Africa. Also, fossils of the land reptile Lystrosaurus have been found in Africa, India and Antarctica.

Detailed explanation-3: -There are various examples of fossils found on separate continents and in no other regions. This indicates that these continents had to be once joined together because the extensive oceans between these land masses act as a type of barrier for fossil transfer.

Detailed explanation-4: -There are many examples of fossils found on separate continents and nowhere else, suggesting the continents were once joined. If Continental Drift had not occurred, the alternative explanations would be: The species evolved independently on separate continents – contradicting Darwin’s theory of evolution.

There is 1 question to complete.