Biology, 14.07.2019 04:10 Baby010391
Which of the following regarding countercurrent exchange is false? select one: a. heat flow does not cease when temperatures nearly equalize. b. liquid cools while moving in one direction and warms by moving in the opposite direction c. countercurrent heat exchange occurs only when the opposite flow of adjacent fluid maximizes heat transfer. d. the blue fin tuna employs countercurrent exchange by taking in cold water through the mouth and into the gills, which in turn keeps the orga roughly the same temperature as the water.
Answers: 1
Biology, 22.06.2019 10:30
Which of the following statements is accurate about evolution? question 10 options: natural selection only eliminates odd individuals. evolution means that a population never has changes in its genetic frequencies. mutations are always harmful. evolution means that a population undergoes changes in its gene frequencies over time.
Answers: 1
Biology, 22.06.2019 14:50
Involving transcription and translaton. explain the causes and effects of damage to the genetic code.
Answers: 1
Biology, 22.06.2019 17:30
High blood pressure occurs when there is too much blood flowing through the blood vessels at one time. by changing the amount of water in the blood, blood pressure can change. the excretory system can to lower blood pressure.which would most likely occur in the kidney? a)more water would be transferred from the nephron.b)less water would be absorbed into the nephron.c)the amount of water in the bladder would decrease.d)the amount of water in the blood would increase.
Answers: 2
Which of the following regarding countercurrent exchange is false? select one: a. heat flow does n...
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