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Biology, 22.06.2019 02:40
How are the testes and ovaries similar? a. both produce sex cells. b. both connect internal reproductive organs to the exterior. c. both transport sex cells from their site of production. d. both store mature sex cells.
Answers: 1
Biology, 22.06.2019 10:00
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 11:40
Which of the following happened during the precambrian era? the first prokaryotic cells the first eukaryotic cells development of photosynthesis all of the above
Answers: 1
Are muscles that contract and relax automatically, without conscious control by the organism. questi...
Mathematics, 19.09.2019 05:20
Mathematics, 19.09.2019 05:20
Mathematics, 19.09.2019 05:20
Mathematics, 19.09.2019 05:20
Biology, 19.09.2019 05:20