Answers: 2
Biology, 21.06.2019 16:00, emwemily
Where in the body can you find chemoreceptors? a. on the skin and ears, to detect pressure, touch, motion, and sound b. on the retina, to detect a single photon of light c. on the skin, to detect temperature or specific chemicals d. on the tongue and in the nose, to detect taste or odor
Answers: 2
Biology, 22.06.2019 09:00, maxicanofb0011
Which kind of worm has a closed circulatory system? a planarian b fluke c pinworm d an earthworm
Answers: 1
Biology, 22.06.2019 10:50, guzmangisselle
Which of the following was not a major animal on land during the carboniferous period? amphibians insects both a and b none of the above
Answers: 1
Biology, 22.06.2019 11:00, ayoismeisalex
Which of these is true of the cytoplasm of an unfertilized egg? a. it is an unevenly distributed mixture of mrna, proteins, organelles, and other substances. b. it does not contain substances that are important in directing development. c. these substances are supplied by the sperm. d. it does not contain substances that are important in directing development. e. development is directed solely by the surrounding cells. f. it is a homogeneous mixture of mrna, proteins, organelles, and other substances. g. it does not contain substances that are important in directing development. h. these substances are produced by the dna of the fertilized zygote.
Answers: 1
Scientists think that dolphins and whales may have evolved form a common ancestor which evidence sup...
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