Answers: 1
Biology, 22.06.2019 10:00, AM28
Ivan is looking at a cross section of a stem taken from a vascular plant. he sees two different types of vascular tissue: the xylem, which is closer to the center of the stem, and the phloem, located around the xylem, closer to the outside of the stem. how do these two structures work together in a living plant?
Answers: 2
Biology, 22.06.2019 11:30, heavendl13
Which of the following does not make up ground substance of connective tissue? hyaluronic acid elastic fibers glycosaminoglycan proteoglycan
Answers: 3
Biology, 22.06.2019 11:30, itssergioa
According to theories of how life began, how did early organic molecules begin to separate from the outside world? a: specialized enzymes were required b: chains of amino acids created a barrier c: formation of microspheres or vesicles d: rna catalyzed the formation of membranes
Answers: 2
Biology, 22.06.2019 13:00, AnaiyaKirksey8
Pulmonary arteries carry highly oxygenated blood. true or false?
Answers: 1
Knowledge gained through the use of scientific investigations has provided evidence in favor of scri...
History, 29.09.2019 09:50
History, 29.09.2019 09:50
Mathematics, 29.09.2019 09:50
Mathematics, 29.09.2019 09:50
Mathematics, 29.09.2019 09:50