This table shows four species of plants, with descriptions.
Which species are most likely vasc...
Biology, 20.02.2020 02:03 pinapunapula
This table shows four species of plants, with descriptions.
Which species are most likely vascular?
the bracken and the bog groove moss
the thallose liverwort and the bog groove moss
the bracken and the lemon tree
the thallose liverwort and the lemon tree
Answers: 2
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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.
Answers: 2
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An adult inhales about 6.0Γ10β4 m3 of fresh air during a breath. only 20% of fresh air is oxygen. assume the pressure in the lungs is 1.0Γ105 paand the air is at a temperature of 300 k. how many oxygen molecules are in each breath? a. 1.4x10^23 b. 2.9x10^21 c. 4.9x10^-4 d. 2.9 x10^25
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