Which of the following is the first trophic level in every ecosystem ?
A tertiary consumer
B...
Biology, 12.01.2021 23:00 pippalotta
Which of the following is the first trophic level in every ecosystem ?
A tertiary consumer
B primary consumer
C autotroph
D heterotroph
Answers: 1
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Environmental differences within ecosystems are generally caused by
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The idea of spontaneous generation was disproved by in a experiment involving jars of meat
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The vaccine in a flu shot contains weakened flu viruses. how does a flu shot work with the immune system? a. it destroys lymphocytes. b. it destroys macrophages. c. it activates macrophages. d. it activates lymphocytes.
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Biology, 22.06.2019 11:00
Draw the farm's ppf for corn and beef. draw a point that shows an inefficient combination of corn and beef. label ita. draw a point that shows an unattainable combination of corn and beef. label itb. draw a point that shows an efficient combination of corn and beef. label itc.
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