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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. Single loop B. Open C. Recycling D. Double loop
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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 a "Single loop" circulation system.
Question|Asked by Goforward
Asked 6/16/2019 11:44:30 PM
Updated 6/30/2020 10:41:17 PM
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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 a "Single loop" circulation system.
Added 6/30/2020 10:41:17 PM
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Questions asked by Goforward
Most animals and plants reproduce sexually. This means that DNA is passed down to new organisms from two parental organisms. Which of the following is a key advantage of sexual reproduction?
Weegy: Most animals and plants reproduce sexually. This means that DNA is passed down to new organisms from two parental organisms. [ More variation assists with survival is a key advantage of sexual reproduction. ] (More)
Question|Asked by Goforward
Expert Answered
Asked 6/16/2019 6:02:59 PM
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Which of the following angiosperm structures is responsible for producing pollen? A. Sepal B. Anther C. Style D. Stigma
Question|Asked by Goforward
Not Answered
Updated 6/17/2019 12:24:53 AM
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The anther, an angiosperm structure, is responsible for producing pollen.
Added 6/17/2019 12:24:53 AM
This answer has been confirmed as correct and helpful.
A new monkey species has developed. This species climbs trees and has opposable thumbs but does not have a prehensile tail. Which group of monkeys would this new species most likely be related to? A. Old World monkeys B. Tarsiers C. New World monkeys D. Strepsirrhines
Question|Asked by Goforward
Not Answered
Updated 4/18/2020 6:40:02 PM
1 Answer/Comment
This new species would most likely be related to: Old World monkeys: (This species climbs trees and has opposable thumbs but does not have a prehensile tail.)

Added 4/18/2020 6:40:02 PM
This answer has been confirmed as correct and helpful.
Which of the following statements is not true about an animal's circadian rhythm? A. It can be adjusted or overcome with time and effort B. Animals have special adaptations depending on whether they are nocturnal or diurnal C. It's not influenced by genetics, only the time of day D. It's influenced by genetics and the time of day
Question|Asked by Goforward
Not Answered
Updated 3/13/2020 11:51:04 PM
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It's not influenced by genetics, only the time of day is not true about an animal's circadian rhythm.
Added 3/13/2020 11:51:04 PM
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