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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, 21.06.2019 17:20
What protects the lining of the stomach from acidic gastric juices?
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Biology, 21.06.2019 22:00
The earth consists of a variety of different organisms. despite their diversity, however, some similarities on the structural and metabolic levels may be seen. these similarities can be attributed to a. similarities among organisms in their proteins and nucleic acids. b. the ability of organisms to readily adapt to sudden environmental changes. c. similarities in organisms' habitats and niches. d. the ability of all organisms to interbreed and produce new species.
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Biology, 22.06.2019 02:10
The terrestrial planets are characterized by having a a.) silicate core b.) iron-rich silicate core c.) iron-rich metallic core d.) none of these
Answers: 2
Photosynthesis is carried out by which of the following? a. all living organisms b. bacteria, but n...
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