Biology, 20.10.2019 21:50 nerdywolf2003
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
Answers: 3
Biology, 22.06.2019 07:00
The is an estimate of the fewest number of organisms a population needs to avoid extinction. this measurement will most if the number of offspring each female in the population produces increases. if the population's this measurement will most likely increase. 1 population density, minimum viable population, carrying capacity 2 decrease, be unaffected, increase 3 death rate increase, dead rate decrease
Answers: 2
Fish respiratory systems exchange gas and receive oxygen at the gills. this oxygen then enters the b...
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