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Q: Charles Darwin's thoughts on evolution would correspond to punctuated equilibrium. True False
A: True.
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User: Charles Darwin's thoughts on evolution would correspond to punctuated equilibrium. True False

Weegy: True.
Fanboy|Points 2821|

User: A population of short-finned fish and a population of long-finned fish live in a lake. Fish with long fins swim faster than fish with short fins, which means they escape predators more often. According to natural selection, which of the following will happen over time? The number of long-finned fish will increase. The number of long-finned fish will decrease. The number of short-finned fish will increase. The number of short-finned fish will not change. Question #5MultipleSelect Score: Extinction _____. only happens above the species levelcannot happen to more than one species at a timehas happened to over 99% of species that ever lived on earthhappens when a species or population dies out Question #6MultipleChoice Score: Can a mutation be beneficial to an organism? No, because any change to existing DNA is harmful.No, because mutations are caused by exposure to harmful radiation.Yes, because a mutation can help an organism survive in a particular environment.Yes, because a mutation can give an organism what it needs to survive. Question #7TrueFalse Score: Evolution occurs slowly. TrueFalse Question #8MultipleChoice Score: Which of the following is an example of gene flow? A forest fire kills 50% of red-spotted chipmunks in a forest community.Pollen from a yellow daisy travels across a stream and pollinates an orange daisy.A bird with blue feathers is less camouflaged in the rainforest than a bird with green feathers.Mice with heavy coats are able to survive the winter better than mice with thin coats. Question #9TrueFalse Score: "Survival of the fittest" is the theme for natural selection. TrueFalse Question #10MultipleChoice Score: Genetic drift _____. is a predictable eventincreases genetic differences between populationshappens when random events change the genotype of a populationhappens when well-adapted organisms survive and reproduce more often than poorly-adapted organisms Question #11MultipleSelect Score: Select all that apply. Microevolution _____. refers to evolution at or below the species levelincludes evolution at the population and community levelanalyzes the history of life over timerefers to evolution above the species levelis based on direct observation Question #12TrueFalse Score: The base or root of a phylogenetic tree is where a population either becomes extinct or is currently living today. TrueFalse Question #13MultipleChoice Score: Which of the following is an example of macroevolution? A tadpole changes form into a frog.A population of fish slowly changes tail shape.A dinosaur species evolves over time into a bird species.A black cat has kittens with white spots. Question #14MultipleChoice Score: Which of the following animal pairs would you expect to have the most similar embryonic development? human and jellyfishhorse and zebrapolar bear and penguiniguana and shark Question #15Matching Score: Matching the following terms and definitions. 1. adaptive radiation a pattern of evolution in which very different species evolve from one common ancestor 2. coevolution a pattern of evolution in which two species evolve in relation to each other 3. convergent evolution a theory of evolution that states that a species evolves by consistent, small, steps 4. divergent evolution a pattern of evolution in which similar characteristics evolve between two unrelated species 5. gradualism a theory of evolution that states that a species evolves in spurts of rapid change and then no change 6. punctuated equilibrium a pattern of evolution in which slightly different species evolve from one common ancestor Question #16MultipleSelect Score: Select all that apply. Mutations _____. are randomdelete genes from the gene pooladd new genes to the gene poolare changes in an organism's DNAare rare occurrences Question #17MultipleChoice Score: Evolution _____. happens very quicklyhappens on a genetic levelhappens whenever an organism changesis the same as growth and metamorphosis Question #18TextMultipleChoice Score: SpeciationExtinctionGene flow happens when a lineage splits into two or more lines of descent. Question #19MultipleChoice Score: Dr. Wilson is analyzing the similarities between the wing of a bat and the arm of a monkey. He is using _____. comparative embryologycomparative morphologythe fossil recordvestigial features Question #20MultipleChoice Score: A species is a group of organisms that _____. share identical genetic characteristicscan produce offspringlook exactly alike

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Asked 1/31/2013 8:17:06 AM
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