NIU: BIO 103- Exam 4 Latest Update Graded A+

NIU: BIO 103- Exam 4 Latest Update Graded A+ What is the driving force behind the diversity of life on Earth? Evolution is the unifying principle of biology. What was a French naturalist who wrote a 44-volume catalog of all known plants and animals? Count Buffon was a French naturalist who wrote a 44-volume catalog of all known plants and animals. What was Count Buffon's significant contribution to the field of biology? Count Buffon provided evidence of descent with modification and suggested mechanisms including environmental influences, migration, geographic isolation, and the struggle for existence. Who believed in the fixity of species, proposing that each species had an ideal structure and function, and a place in the scala naturae (a sequential ladder of life)? Linnaeus believed in the fixity of species. What system of classification did Linnaeus develop? Linnaeus developed the binomial system of nomenclature. Who is famous for his theory of natural selection? Darwin is famous for his theory of natural selection. Who is justly famous for devising his theory of relativity, which revolutionized our understanding of space, time, gravity, and the universe? Einstein is justly famous for devising his theory of relativity. Who was the first to use comparative anatomy to develop a system of classifying animals? Cuvier was the first to use comparative anatomy to develop a system of classifying animals. What did Cuvier do? Cuvier founded the science of paleontology and proposed catastrophism. –Local catastrophes in the past had caused Earth’s strata to have a new mix of fossils. –After each catastrophe, the region was repopulated by species from surrounding areas. –The result of the catastrophes was change appearing over time Whats the connection between evolution and catastrophism? -evolution is a species that change over time -catastrophism is change that is appearing over time - evolution is change in species and catastrophism is about fossils Scientist: what was Lamarck known for? he was the first biologist to propose evolution and link diversity with environmental adaption Scientist: What did Lamarck do? -Concluded that more complex organisms are descended from less complex organisms -Proposed the inheritance of acquired characteristics – Lamarckianism What is biogeography? Biogeography is the study of the geographic distribution of life forms on Earth What did Darwin have to do with biogeography? -Darwin saw similar species in similar habitats.