Biology, 28.05.2021 04:20 HelloDarknessMyOldFr
Nitrogen makes up about 78% of the air. Most living things cannot take nitrogen out of the air and use it to make the DNA, ATP, or proteins they need to live. All life on earth depends on few species of that can take nitrogen from the air and make these things.
Answers: 3
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The pressurized plants and fungi mentioned in the video have some surprising similarities. what differences would you expect them to have?
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Biology, 22.06.2019 09:00, deandrehudson18
Which are characteristics of flukes? check all that apply. a they are free living. b they are a type of flatworm. c they reproduce sexually. d they have eyespots. e they are segmented.
Answers: 2
Biology, 22.06.2019 10:40, sierralynnbaldp16d4b
Which of the following was not a major animal on land during the carboniferous period? amphibians insects both a and b none of the above
Answers: 1
Nitrogen makes up about 78% of the air. Most living things cannot take nitrogen out of the air and u...
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