Biology, 19.12.2019 06:31 lalalaaldgydyhg8823
Fish respiratory systems exchange gas and receive oxygen at the gills. this oxygen then enters the blood stream and is pumped through the heart and back through the gills without first returning to the heart. this order of events best describes which type of circulation system?
a) double loop
b) single loop
c) open
d) recycling
me
Answers: 3
Biology, 22.06.2019 01:20
And give a detailed description! scientist observes the boundary between two tectonic plates for a decade and finds that no new volcanoes have formed over the course of her investigation. does this result support the theory of plate tectonics? why or why not?
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Biology, 22.06.2019 19:50
What happens to the amount of waste in the pond as the ecosystem ages?
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Biology, 22.06.2019 21:00
Me what would happen if a plant could carry out photosynthesis, but not respiration? question 1 options: it would have no food. it would have too much water. it would be unable to capture the energy in sunlight. it could make food but not break it down for energy.
Answers: 1
Fish respiratory systems exchange gas and receive oxygen at the gills. this oxygen then enters the b...
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