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Class 12 Biology Chapter 7 Evolution Quiz 12 (25 MCQs)

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1. Cranes in a pond eat all of the green frogs causing an increase in survival of brown frogs. What is the selective pressure?
2. Using DNA to determine which organisms are related to others is called:
3. Descendants from the ultimate common ancestor lived in various habitats and ..... that allowed them to survive and reproduce.
4. Process by which unrelated organisms independently evolve similarities when adapting to similar environments
5. Fungi are like insects because they both-
6. Small, incremental changes accumulating over time
7. Bacteria are found in many different shapes. What are the 3 most common shapes of bacteria.
8. The name of the scientist who proposed the theory of evolution by natural selection.
9. What evidence supports the theory of evolution by natural selection?
10. -is the study of the genetic composition of populations, including distributions and changes in genotype and phenotype frequency in response to the processes of natural selection, genetic drift, mutation and gene flow.-is the study of both experimental and theoretical consequences of Mendelian heredity on the population level.
11. Which of these would NOT be a vestigial structure?
12. The black peppered moth was able to blend in with the ash covered trees after the Industrial Revolution causing them to be less likely seen by predators
13. When did life on Earth begin?
14. Which scientific field studies the geographical distribution of species and provides evidence for evolution by identifying patterns of species distribution?
15. Evidence from which of the following does not support evolution:
16. ..... is the structures structure that in inherited from ancestors but has lost much or all of its original function
17. Variation of traits that happen naturally WITHOUT humans deciding what is useful:
18. Darwin's finches are an example of
19. What is it called when major evolutionary changes the history of life, involving speciation?
20. Which of the following refers to the remnants or traces of plants andanimals preserved in strata of the earth that give evidences of their presence in thegeological past?
21. A structure or organ that seems to serve no purpose, but resembles structures with functional roles in other organisms are called .....
22. What point of natural selection states that having many offspring increases the chance that some of them will survive?
23. Intentionally selecting genes for desire
24. ..... is when two organisms exchange pieces of genetic material.
25. What is the primary mechanism by which new alleles are introduced into a population?
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