19. Which evolutionary process is most likely to inhibit speciation? A. Disrupti

Question

19. Which evolutionary process is most likely to inhibit speciation? A. Disruptive selection B. Genetic drift C. Gene flow D. Mutation 20. Organisms that can convert energy from sunlight or from inorganic compounds in their en to consume other organisms for their energy needs, are called a. heterotrophs c. decomposers b. monotrophs d. autotrophs. 21. After large seeds became more common, the average beak size of the medium ground finch increased in size over the course of a few years. This change was most likely a case of _ A. stabilizing selection. C. directional selection. B. disruptive selection. D. balancing selection. 22. As CO2 concentrations continue to increase in our atmosphere, photorespiration rates are likely to change that should _ the advantage C4 plants have over C3 plants. a. decrease; increase c. increase; increase b. decrease; decrease d. increase; decrease 23. In the CAM pathway, CO2 uptake occurs a. in the mesophyll cell; in the bundle sheath b. in the epidermis; in the bundle sheath and the Calvin cycle occurs c. at night; during the day d. during the day; at night 24. This type of reproduction occurs multiple times in the life of an individual. A. Iteroparous C. Anisogamous B. Semelparous D. Isogamous

Explanation / Answer

19.c.gene flow

20.d.autotrophs

21.c.directional selection

22.a.decrease,increase

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