Health, 11.10.2019 06:00 Delgadojacky0206
Agroup of students was designing an experiment to test the effect of smoking on grass frogs. they hypothesized that keeping the frogs in a smoke-filled environment for defined periods of time would result in the animals developing lung cancer. however, when they searched for previously published information to support their hypothesis, they discovered they were wrong in their original assessment. even though they were never going to go ahead with their experiment (so as not to harm frogs needlessly), they knew that a more likely outcome of putting carcinogens in the air would be the development of select one:
a. diminished absorption of oxygen
b. tracheal tube abnormalities
c. skin cancer.
d. the amphibian equivalent of hypertension.
e. gill abnormalities in the next generation of tadpoles
Answers: 2
Health, 22.06.2019 16:30
Which example is a indication of stress a. becoming more alert b. narrowing air passages c. slowing down if the heartbeat d. decreasing blood sugar with adrenaline
Answers: 2
Health, 23.06.2019 11:00
In general, why does a tall person have a higher basal metabolic rate than a shorter person of the same weight? a. shorter people have more skin surface area and lose heat more rapidly than a taller person. b. tall people are more active than shorter people. c. taller people have more skin surface area and lose heat more rapidly than a shorter person. d. taller people eat more protein, which takes more energy to digest. e. shorter people eat less than tall people.
Answers: 1
Agroup of students was designing an experiment to test the effect of smoking on grass frogs. they hy...
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