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Nucleic acid certain protein cell membranes certain carbohydrates
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2points what do bacteria have in common with the cells of other living organisms?
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Biology, 22.06.2019 14:30
Even though the ostrich is a flightless bird, ostriches still possess wings that stretch approximately two meters across when fully extended. scientists speculate that when dinosaurs became extinct, some of the birds that lived during that time became land dwellers since they were able to consume the food that the dinosaurs once ate. over time, these species grew larger and heavier. eventually, the ostrich species became too big to fly. the wings found on ostriches are known as a. analogous structures. b. homologous structures. c. vestigial structures. d. symmetrical structures.
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Biology, 22.06.2019 15:30
Which environmental change would most likely result in bullfrog offspring that are able to store more water than bullfrogs in previous generations?
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Signal to which an organism responds...
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