I would say the answer is either B or D but i pick B
The five types of consumers are, omnivore, herbivore, carnivore, scavenger, and detrivore/decomposer.
The red liquid that circulates in the arteries and veins of humans and other vertebrate animals, carrying oxygen to and carbon dioxide from the tissues of the body.
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Answer:
50000
Explanation:
number of paramecium in 1 gallon of water = 50
number of paramecium in 1000 gallons of water =
1000× 50 = 50000