Answers: 1
Biology, 21.06.2019 13:30, swaggernas
Plzz hurry im being timed during times of vigorous physical activity, muscles require a constant supply of oxygen. how does the body respond to these needs? a. breathing rate and heart rate both decrease. b. breathing rate and heart rate both increase. c. heart rate decreases, but breathing rate remains stable. d. breathing rate increases, but heart rate remains stable.
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Biology, 21.06.2019 15:30, aylagwilliamson
Organisms within a population must compete for resources to survive
Answers: 2
Biology, 21.06.2019 20:00, vannia
!if we removed the wolf, snake, and hawk from this food web, what best explains the impact it would have? a) the number of producers would increase. b)the number of decomposers would increase. c)the number of primary consumers would increase. d)the numbers of primary consumers would decrease.
Answers: 1
Biology, 21.06.2019 21:30, lkipjjjjjjjjjj5673
What was dr. willem johan kolff’s first step in using the scientific process to invent the hemodialysis machine? he built the machine and tried it with various patients, collecting data about its effectiveness. when a patient’s kidneys failed, he wondered if it would be possible to perform kidney functions with an external machine. he researched and collected data about numerous patients who exhibited symptoms of kidney failure. he drew conclusions from studies of various symptoms of kidney failure, and drew a design for the ideal external blood-processing machine.
Answers: 1
What layer of the skin consists of many epithelial cells...
Mathematics, 27.10.2020 17:10
Mathematics, 27.10.2020 17:10
Mathematics, 27.10.2020 17:10
Mathematics, 27.10.2020 17:10