Unit 9 Target 3 (Part 2):Succession Quiz

1. Area that is in the early stages of primary succession will typically containa. perennial schrubs. c. annual grasses. b. rock lichens. d. evergreen trees.

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2. When a new volcanic island forms, the pioneer species is the first species to successfully inhabit the island. Which organism is the most likely candidate for a pioneer species?a. A seagull hatched from an egg laid on the island b. A palm tree grown from a coconut that washed onto shore c. Lichen that appeared on rocks d. Insect larvae carried on a piece of driftwood

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3. The sequential replacement of species in a community after a forest fire isa. a disturbance c. primary succession. b. secondary succession. d. pioneer succession.

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4. Primary succession can begin aftera. a forest fire. c. farmland is abandoned. b. a lava flow. d. a severe storm.

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5. When a glacier receeds, bare rock is left behind. Which of the following would be true?a. Primary succession would occur b. The climax community has already developed. c. Secondary succession would occur d. There would be no growth in the community.

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6. Primary succession would occura. in a desert. c. in an area after a forest fire. b. on an island just formed by a volcanic eruption. d. in an abandoned farm field.

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7. What is one difference between primary and secondary succession?a. Primary succession is slow, and secondary succession is rapid. b. Secondary succession begins on soil, and primary succession begins on newly exposed surfaces. c. Primary succession modifies the environment, and secondary succession does not. d. Secondary succession begins with lichens, and primary succession begins with trees.

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8. When an ecosystem reaches the last stage of succession, what is it referred to as? a. a climax community c. a forest b. a stable community d. a final stage ecosystem

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9. If a football field in the taiga is abandoned, which group of organisms will most likely be part of the resulting climax community?a. apple tree, deer, and wolf c. grass, mouse, and coyote b. cactus, snake, and hawk d. pine tree, moose, and bear

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10. Which of the following occurs during the ecological succession of an ecosystem?a. An ecosystem reaches a final, unchanging stage. b. Changes occur that are caused by organisms outside the ecosystem. c. Living organisms modify their environment a little at a time. d. Parts of communities split off to form new communities.

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