Theories of Evolution PDF
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This document covers the theories of evolution, specifically focusing on the ideas of Charles Darwin and Jean-Baptiste Lamarck. It includes learning objectives, an explanation of different theories like the theory of need, acquired characteristics, and use and disuse. The document presents a range of questions related to the theory of evolution, including true or false questions. It seems to be for students in secondary school.
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DESCRIBE THE PICTURE THEORIES OF EVOLUTION Learning Objectives Compare the theories of Charles Darwin and Jean Baptiste de Lamarck. Recognize the significance of the contributions of scientists to the theory of evolution. THEORIES OF EVOLUTION THEORIES OF EVOLUTION...
DESCRIBE THE PICTURE THEORIES OF EVOLUTION Learning Objectives Compare the theories of Charles Darwin and Jean Baptiste de Lamarck. Recognize the significance of the contributions of scientists to the theory of evolution. THEORIES OF EVOLUTION THEORIES OF EVOLUTION He was the first evolutionist to believe that organisms change over time. Jean Baptiste de Lamarck THEORY OF NEED States that organisms change in response to their environment. THEORY OF USE AND DISUSE Organs not in use will disappear while organs in use will develop. THEORY OF ACQUIRED CHARACTERISTICS These acquired characteristics were believed to be inherited by their offspring and propagated by the next generation. QUESTION: If you change the color of your hair from black to blond, do you think your child can inherit the blond color of your hair? QUESTION: A young lady keeps on using whitening soap and becomes fair? Can her child inherit her acquired fairness? Many scientists rejected the theories of Lamarck. DARWINIAN THEORY Also known as the THEORY OF NATURAL SELECTION, it is a scientific explanation for how species change over time. Charles Darwin In Galapagos Island, he observed that finch species have different beak structures for different food types “Survival of the fittest” EVALUATION TRUE or FALSE ______1. Lamarck believed acquired traits are inherited. ______2. Natural selection favors the fittest organisms. ______3. Organisms adapt instantly to changes in their environment. ______4. Lamarck said giraffes’ necks grew longer from constant stretching. ______5. Darwin’s theory explains that species evolve through natural selection. TRUE or FALSE TRUE Lamarck believed acquired traits are ______1. inherited. TRUE Natural selection favors the ______2. fittest organisms. FALSE ______3. Organisms adapt instantly to changes in their environment. TRUE Lamarck said giraffes’ necks grew longer ______4. from constant stretching. TRUE Darwin’s theory explains that species ______5. evolve through natural selection.
