AP BIOLOGY

EVOLUTION

DARWIN’S THEORY OF NATURAL SELECTION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Darwin began to formulate his concept of evolution by natural selection after ____
A
experimention with animals.
B
observations of many species of plants and animals while aboard the H.M.S Beagle.
C
reading the writings of Mendel.
D
a long conservation with Captain Fitzroy.
Explanation: 

Detailed explanation-1: -Charles Darwin and his observations while aboard the HMS Beagle, changed the understanding of evolution on Earth.

Detailed explanation-2: -English naturalist Charles Darwin developed the idea of natural selection after a five-year voyage to study plants, animals, and fossils in South America and on islands in the Pacific. In 1859, he brought the idea of natural selection to the attention of the world in his best-selling book, On the Origin of Species.

Detailed explanation-3: -A visit to the Galapagos Islands in 1835 helped Darwin formulate his ideas on natural selection. He found several species of finch adapted to different environmental niches. The finches also differed in beak shape, food source, and how food was captured.

Detailed explanation-4: -Eight vessels of the Royal Navy have been named HMS Beagle, after a dog breed. The most notable of these ships is the second HMS Beagle, 1820–1870, which transported Charles Darwin around the world in the voyage of Beagle.

Detailed explanation-5: -On the HMS Beagle, Darwin observed that different tupes of animals had modifications that made them better suited to their environments. These observations led him to believe that all the animals had come from a common ancestor.

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