Diatoms have cell walls composed of
silicon dioxide
carbon dioxide
chitin...
Biology, 07.10.2019 07:20 jannatbibix
Diatoms have cell walls composed of
silicon dioxide
carbon dioxide
chitin
Answers: 3
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Sea stars, sea urchins, sand dollars, and brittle stars are all memeber of a group, what is the common name of the group they are all in
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You are observing different types of cells in your science lab. one cell has many chloroplasts. what is the most likely function of this cell? a. energy production b. photosynthesis c. reproduction d. digestion
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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
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