Quiz bio 2 review Flashcards
Is the change in the characteristics of a species over several generations and relies on the process of natural selection
Evolution
Is any net directional change or any cumulative change in the characteristics of organisms or populations over many generations - in other words. descent with modification.
Evolution
Was an English naturalist, geologist, and biologist, widely known for his contributions to evolutionary biology
-He proposed that species can change over time, that new species come from pre-existing species, and that all species share a common ancestor.
Charles Darwin
Was a French naturalist, geologist, and biologist, academic, and soldier. (Vital force/internal vital force because of growing)
-According to him, organisms altered their behavior in response to environmental change. He believed that living things evolved in a continuously upward direction, from dead matter, through simple to more complex forms, toward “human protection”. Species didn’t die out in extinction.
Jean-Baptiste Lamarck
Was a Scottish geologist who demonstrated the power of known natural causes in explaining the Earth’s history.
-He argued that the formation of Earth’s crust took place through countless small changes occurring over vast periods of time, all according to known natural laws. His “uniformitarian” proposal was that the forces molding the planet today have operated continuously throughout its history.
Charles Lyell
Was an English naturalist, explorer, geographer, anthropologist, biologist, and illustrator.
-He concluded that over generations, natural selection of inherited traits could give rise to new species.
Alfred Wallace
One very important human ancestor was an ancient fish, Through they lived 375 million years ago, they had shoulders, elbows legs wrists, neck and many other basis part that eventually became part of us.
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An extinct fish like aquatic animal that lived over 380-386mya direct ancestors of tetrapods (4-legged land vertebrates)
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