Biology, 28.07.2019 11:30 palmtree2759
An anthropologist finds a fossil that is 2 million years old, and it had simple tools nearby. to which species could the specimen belong? a. australopithecus africanus b australopithecus afarensis c homo habilis d homo erectus
Answers: 2
Biology, 22.06.2019 02:00, rhodesnyla01
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 09:00, Jerjer3864
What drives the atp synthase reactions that produce atp
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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
An anthropologist finds a fossil that is 2 million years old, and it had simple tools nearby. to whi...
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