Which of theese is an abiotic factor pf an aquarium ecosystems?
a) plants growing from the g...
Biology, 16.09.2019 12:30, kayleigh88
Which of theese is an abiotic factor pf an aquarium ecosystems?
a) plants growing from the gravel
b) fish swimmimng in the water
c) algae growing on the grass
d) gravel on the bottom of the aquarium
Answers: 2
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Which of the following occurs after a natural or unnatural disturbance in an ecosystem
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When does the circulatory system work with the respiratory system? a. during blood cell formation b. during cellular respiration c. during intestinal digestion d. during a viral infection
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What advantages does a pedigree have over a written passage?
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