Biology, 02.01.2020 10:31 angellong94
Vwhat is the role of the beaver in its ecosystem? a) it is a foundation species and the main source of food for the natural predators of its ecosystem. b) it is a keystone species that modifies its natural environment by damming streams to form wetlands. c) it is a dominant species, as it has the greatest number of individuals among all the mammalian species of its ecosystem. d) it is an endangered species as it has the least number of individuals among all the mammalian species of its ecosystem.
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Biology, 21.06.2019 23:30
If you have a difficult time knowing where your hand is without looking at it you may be having a problem with your what ?
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Biology, 22.06.2019 06:30
Approximately what portion of the foods that we eat have been genetically modified in some way? a.fewer than 10% b.about 50% c.nearly 100%
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Common symptoms of an iron-defiency anemia include muscle weakness shortness of breath and lightheadedness why does iron deficiency causes these symptoms
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Biology, 22.06.2019 15:00
Which of the following must be true for a fossil organism to be useful as an index fossil? a. the fossil organism must be widespread geographically. b. the fossil organism must be abundant. c. the fossil organism must be limited to a short span of geologic time. d. all of the above.
Answers: 1
Vwhat is the role of the beaver in its ecosystem? a) it is a foundation species and the main source...
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