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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 20:10
True or false 5. carrier proteins have the ability to to change shape and physicially move molecules across the cell membrane. 6. in a facilitated diffusion, the concentration of the molecules to be moved across the cell membrane is higher inside the the cell.
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Biology, 22.06.2019 22:30
Packet fragmentation is not normal, and can only occur if an attack has been initiated. true false
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Which best explains the surface tension of water...
Computers and Technology, 11.11.2019 22:31
History, 11.11.2019 22:31
History, 11.11.2019 22:31
English, 11.11.2019 22:31
Biology, 11.11.2019 22:31