Fluctuations in the phosphorus cycle in aquatic ecosystems a. can lead to changes in the growth rates of aquatic populations. b. are never caused by human impact on the environment. c. lead to a decrease in the amount of phosphorus found in sediment. d. never occur naturally
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Biology, 21.06.2019 17:00
Which of the following statements is true? a. the main cause for speciation is an increase in gene flow. b. organisms that reproduce asexually are not considered part of a species. c. on a tree of life diagram, speciation is shown by the merging of two different lineages. d.the size of the geographic area inhabited by a population can cause speciation.
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Biology, 22.06.2019 13:00
What is the function of the root cap? a. extra-absorbent cells in the root cap absorb more water and nutrients b. protect the meristematic area of the stem c. contains sensors for sunlight d. increases surface area of the root
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Biology, 22.06.2019 16:20
What is gene flow? apexa: selection for average traits b: when a population splits in twoc: a mutation becoming more commond: genes moving between two populations
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Fluctuations in the phosphorus cycle in aquatic ecosystems a. can lead to changes in the growth rat...
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