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CRCT Practice 1/13/14. Stripes on a zebra are an adaptation because the stripes give the zebras c amouflage from predators. No two zebras h ave the exact same pattern of stripes. This is an example of: Adaptation Speciation Competition Variation. Vocabulary
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CRCT Practice 1/13/14 Stripes on a zebra are an adaptation because the stripes give the zebras camouflage from predators. No two zebras have the exact same pattern of stripes. This is an example of: • Adaptation • Speciation • Competition • Variation
Vocabulary 7. Mutation- a quick change in DNA; can be beneficial or harmful
Notes, January 13, 2014 The Moths of Manchester are important to the study of evolution because scientist could see a quick change in a species happening.
Moths before the trees became sooty; Which one would survive better?
Moths after the trees became sooty. Now which one survives better? Who is stronger for this ‘new environment’?
CRCT Practice 1/14/14 Evolutionary relationships between living things are determined by examining: • Similarities in DNA sequences • Similarities in body structures • Similarities in development before birth • All of the above
Today and tomorrow we will work on flipbooks over the principles of Natural Selection. These flip books and the activities will help you on your test Friday.
CRCT Practice 1/15/14 Short term changes in available food, moisture, or temperature of an ecosystem may result in a change in • The number of organisms in a population. • The average size of individual organisms. • The behavior of individuals in a population. • All of the above.