Biology, 21.07.2019 06:30 shubbs1038a
Which statement best describes energy of an ecosystem? a. the amount of energy entering an ecosystem from the sun is equal to the amount lost as heat. b. the amount of energy entering an ecosystem from the sun is equal to the amount used by organisms. c. the amount of energy entering an ecosystem from the sun is equal to the amount used by organisms plus the amount lost as heat. d. the amount of energy entering an ecosystem from the sun does not transfer from organism to organism.
Answers: 2
Biology, 22.06.2019 05:20
The large increase in atmospheric carbon dioxide in the last 50 years most likely comes from a. an increase in cellular respiration b. increased decomposition by bacteria c. an increase in the burning of fossil fuels d. an increase in photosynthesis
Answers: 3
Biology, 22.06.2019 08:50
What does the positioning of transcription factors determine?
Answers: 1
Biology, 22.06.2019 11:10
Which of these statements is true about autotrophs, but not heterotrophs? a. they use sugar and oxygen to make carbon dioxide and water.b. they use chlorophyll and oxygen to make carbon dioxide and water.c. they use sunlight, water, and carbon dioxide to make sugars.d. they use sunlight, water, and oxygen to make chlorophyll.
Answers: 1
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