Biology

Biology, 26.07.2019 01:30, alexanderjones9116

How can adding one additional species make changes in an entire ecosystem? pls !

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SAT, 26.06.2019 05:00, mv603177

This graph represents four ecosystems. each ecosystem has a different number of species, adding to its biodiversity. different colors represent different species. which statements correctly summarize the data depicted by the graph? 1. ecosystem d has more biodiversity than ecosystem c. 2. ecosystem b has more biodiversity than all the other ecosystems. 3. ecosystem a has more biodiversity than ecosystem b but less biodiversity than ecosystem c. 4. ecosystem b has more biodiversity than ecosystems c and d but less biodiversity than ecosystem a. 5. ecosystem a has more biodiversity than ecosystem c but less biodiversity than ecosystem b.

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Biology, 13.10.2019 07:10, justapointie

Members of a bird-watching club observed the activities of three species of birds for an entire spring and summer. they noticed that the different species fed at different heights in the same pine tree. which ecological concept is supported by this observation? (1)organisms that feed on different foods in the same area of an ecosystem fill the same niche. (2)organisms that live in the same ecosystem can occupy different niches in the ecosystem. (3)different species feeding in the same ecosystem will eventually compete with each other, eliminating all the species except one. (4)different species living in the same area of an ecosystem usually have the same physical characteristics.

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Biology, 01.11.2019 07:31, coreybro

What negative consequence can occur when non-native species are introduced into an ecosystem? (2 points) native species are forced to compete more vigorously. the introduced species prey on native species. the introduced species mate with native species and add genetic variety. the introduced species strengthen the ecosystem by adding diversity.

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How can adding one additional species make changes in an entire ecosystem? pls !...

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