Biology, 27.11.2019 00:31 meganwintergirl
Organs are directly made up of what lower level of cellular organization? a. cells b. tissues c. organisms d. organ systems
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Biology, 21.06.2019 19:00
Which element provides strength to the exoskeleton of clams and oysters
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Biology, 22.06.2019 02:00
The pharynx is the structure in the body that serves as a pathway of both air and food. how does the body make sure that food does not get into the lungs? the salivary glands secrete enzymes that pull food out of the air pathway. the small intestine pushes the air out of the digestive system. the pancreas breaks down food in the air pathway. the epiglottis closes the air pathway so that food will not enter it.
Answers: 1
Biology, 22.06.2019 12:30
Are the layers of rock above and below the coal older or younger?
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Biology, 22.06.2019 12:30
Which of the following observation darwin shape his concept of descent with modification? a) species diversity declines farther from the equator. b) fewer species live on islands than on the nearest continents. c) birds live on islands located farther from the mainland than the bird's maximum nonstop flight distance. d) south american temperate plants are more similar to the tropical plants of south america than to the temperate plants of europe. e) earthquakes reshape life by causing mass extinctions.
Answers: 1
Organs are directly made up of what lower level of cellular organization? a. cells b. tissues c. or...
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