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Based on these observations, which ecosystem is likely to be the least sustainable?

Based on these observations, which ecosystem is likely to be the least sustainable?

Biology: The Unity and Diversity of Life (MindTap Course List)
Biology: The Unity and Diversity of Life (MindTap Course List)
15th Edition
ISBN:9781337408332
Author:Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Publisher:Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Chapter48: Human Impacts On The Biosphere
Section: Chapter Questions
Problem 3CT
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11. Students in a science class visited four local ecosystems. The students observed the species present in each ecosystem and Ecosystem 1, because it has the fewest species recorded their observations in the table. Ecosystem Observations 1: Grassy lawn on school property The grass is mowed often and kept short. Two sparrows foraged for food in the grass. No other animals were observed. Ecosystem 2, because it includes both aquatic and terrestrial species 2: Small pond with cattails growing around the edge Two types of fish were seen in the pond. Tadpoles were swimming in the shallow areas. Large wading birds were seen feeding on tadpoles and crayfish. Wheat plants are the only plants growing in the field. There were many insects. No predators were observed except for a single circling hawk. 3: Agricultural field Fish, frogs, crayfish, insect larvae, and turtles were seen in the stream, and wading birds were eating small fish. Raccoon tracks were seen in the mud. Deer were moving through the trees. Many birds were seen feeding in the canopy of the woods. 4: Wooded area along a stream Ecosystem 3, because it has few predators Based on these observations, which Ecosystem 4, because it supports many animals ecosystem is likely to be the least sustainable?
Transcribed Image Text:11. Students in a science class visited four local ecosystems. The students observed the species present in each ecosystem and Ecosystem 1, because it has the fewest species recorded their observations in the table. Ecosystem Observations 1: Grassy lawn on school property The grass is mowed often and kept short. Two sparrows foraged for food in the grass. No other animals were observed. Ecosystem 2, because it includes both aquatic and terrestrial species 2: Small pond with cattails growing around the edge Two types of fish were seen in the pond. Tadpoles were swimming in the shallow areas. Large wading birds were seen feeding on tadpoles and crayfish. Wheat plants are the only plants growing in the field. There were many insects. No predators were observed except for a single circling hawk. 3: Agricultural field Fish, frogs, crayfish, insect larvae, and turtles were seen in the stream, and wading birds were eating small fish. Raccoon tracks were seen in the mud. Deer were moving through the trees. Many birds were seen feeding in the canopy of the woods. 4: Wooded area along a stream Ecosystem 3, because it has few predators Based on these observations, which Ecosystem 4, because it supports many animals ecosystem is likely to be the least sustainable?
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