Which of the following is not a concept of Lamarck?
Which of the following is not a concept of Lamarck?
- A
Environmental pressure causes variation
- B
Rate and survival of organism is different due to variation
- C
Inheritance of acquired characters
- D
If an organ is used constantly it will continuously increase its size
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Assertion : Ginkgo biloba is a living fossil.
Reason : Organism which have persisted and remain unchanged for the past several million years while their relatives disappeared.
Assertion : Ginkgo biloba is a living fossil.
Reason : Organism which have persisted and remain unchanged for the past several million years while their relatives disappeared.
- [AIIMS 2000]
Who concluded that existing living forms sharesimilarities to varying degrees not only among them selves but also with life forms that existed millions of years ago ?
Who concluded that existing living forms sharesimilarities to varying degrees not only among them selves but also with life forms that existed millions of years ago ?
Fossils discovered in Java in $1891$ belonged to
Fossils discovered in Java in $1891$ belonged to
Which one of the following is not a living fossil?
Which one of the following is not a living fossil?
Birds are adapted to aerial life due to
Birds are adapted to aerial life due to