Biology, 18.09.2019 00:10 kaywendel2008
Kenneth and catherine lohmann of the university of north carolina explored the orientation or direction-finding abilities of loggerhead sea turtle hatchlings under varying magnetic conditions. hatchlings were placed in a tank of water in a laboratory either in a natural magnetic field of the earth or in a reversed magnetic field in which north and south were flipped. the researchers then measured the direction that the hatchlings swam. the experiments were carried out in the dark and at night since that is when most newly hatched turtles migrate from their sandy nests into the ocean.
what is the variable being tested in this experiment?
a) time of hatching
b) time of day
c) magnetic field
d) amount of light
Answers: 3
Biology, 21.06.2019 21:00
Epinephrine is a hormone released from the adrenal gland of the body, most often in a stressful situation. it is known as the "fight-or-flight" hormone. one way that it causes a response in the body is to activate receptors on muscle cells. where are these cellular receptors located? a. on the cell membrane b. in the nucleus c. on the cell wall d. around the mitochondria
Answers: 1
Biology, 21.06.2019 22:00
Which is the correct first step in finding the area of the base of a cylinder with a volume of 26x cubic meters and a height of 6.5 meters? v=bh 6.5=b(26x) v=bh v=26pi+(6.5) v=bh v=26pi(6.5) v=bh 26pi=b(6.5)
Answers: 1
Biology, 22.06.2019 09:20
Which statement explains how gravity and intertia work together
Answers: 1
Kenneth and catherine lohmann of the university of north carolina explored the orientation or direct...
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