Abird’s air sacs enable it to obtain fresh oxygen when it both inhales and exhales.
true...
Answers: 1
Biology, 21.06.2019 14:00
Calvin ate a candy bar, which caused his body's blood glucose levels to become unbalanced. his body responded by initiating a feedback mechanism to return his body to homeostasis. place the steps of this feedback mechanism in order, starting with the blood glucose imbalance that occurred after calvin consumed the candy bar. a) calvin's blood glucose levels decreased. b) calvin's pancreas stopped secreting insulin. c) calvin's body cells started to take up glucose and store it as glycogen. d) calvin's blood glucose levels increased. e) calvin's pancreas started secreting insulin.
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Biology, 22.06.2019 02:30
Many plants can reproduce asexually. which of these is an example of asexual reproduction in a plant? a. pine cones forming on a tree b. cross-pollination in a tomato c. roots sprouting from a potato d. night-blooming jasmine flowers
Answers: 3
Biology, 22.06.2019 03:30
Which of the following is an effect of the uneven heating of the earth by the sun? a sea breeze a land breeze a convection current all of the above
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Biology, 22.06.2019 08:30
Which member of the following food chain will be least affected by ddt, a pesticide water pollutant, if bio-magnification is occurring? algae> zooplankton> crayfish> leopard frog> large mouth bass
Answers: 3
Mathematics, 16.04.2021 19:10
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