Worksheet: What Darwin Never KnewDarwin was a naturalist, or a collector of plants and animals from around the world. He made observations that made him more and more curious about the origins of life, and relationships among species (remember--making observations is the first step in the scientific method). Give two examples of such observations from birds, turtles, snakes, whales and/or embryos.From his observations, Darwin concluded that all species were connected. How did dogs and artificial selection (or artificial breeding) shape Darwin’s idea about the tree of life in nature?Darwin proposed natural selection to explain the diversity of species in the world. How did his travels to the Galapagos Islands off the coast of South America shape his thinking?Why is variation of individuals within a species so important to the theory of evolution? Explain using mutations in the fur color of pocket mice of the Arizona desert.Describe gene regulation (also called regulatory genes) or “body plan” genes (“genes that boss other genes around”). Why is this an important part of natural selection? Use the fruit fly wing spots, stickleback fish belly spikes, or finch beak shapes to illustrate your answer.

Charles Darwin is commonly regarded as the father of evolution. During his young age, Darwin set out…

Biology (MindTap Course List)

11th Edition

ISBN:9781337392938

Author:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg

Publisher:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg

Chapter18: Introduction To Darwinian Evolution

Section18.2: Pre-darwinian Ideas About Evolution

Problem 1C

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Worksheet: What Darwin Never Knew

Darwin was a naturalist, or a collector of plants and animals from around the world. He made observations that made him more and more curious about the origins of life, and relationships among species (remember--making observations is the first step in the scientific method). Give two examples of such observations from birds, turtles, snakes, whales and/or embryos.
From his observations, Darwin concluded that all species were connected. How did dogs and artificial selection (or artificial breeding) shape Darwin’s idea about the tree of life in nature?
Darwin proposed natural selection to explain the diversity of species in the world. How did his travels to the Galapagos Islands off the coast of South America shape his thinking?
Why is variation of individuals within a species so important to the theory of evolution? Explain using mutations in the fur color of pocket mice of the Arizona desert.
Describe gene regulation (also called regulatory genes) or “body plan” genes (“genes that boss other genes around”). Why is this an important part of natural selection? Use the fruit fly wing spots, stickleback fish belly spikes, or finch beak shapes to illustrate your answer.

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