science
Grade6
Easy
Question
Which scientists stated that giraffes have long necks because they wanted to eat the leaves of tall trees?
- Lamarck
- Darwin
- Watson & Crick
- Mendel
Hint:
This is explained in the theory of evolution.
The correct answer is: Lamarck
- Jean-Baptiste Lamarck was the one who proposed the example of a giraffe for evolution.
- He proposed his theory 'Lamarck theory; in 1809.
- This theory gave the example of a giraffe to explain evolution.
- He states that the ancestor of the giraffe had a small neck and legs. Due to the scarcity of food at the ground level, they begin to stretch them to reach the top of the tree for food which resulted in the slight elongation of these parts.
- Whatever they acquired in one generation got transmitted over the generations thus, the elongated neck and limbs of the giraffe ae evolve.
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