Biology

Biology, 08.10.2019 15:20, bugsbunny27

If part of the xylem of a young oak tree is destroyed which of the following functions would it intere with most

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Biology, 03.07.2019 00:00, nostalgiafaith

30 points. i need with this quiz questions. 1. which statement is true about cell differentiation? a.) it produces identical cells. b.) it happens during cell division. c.) it causes cells to change and specialize. d.) it happens in all cells. 2. which order of events is correct? a.) zygote -> stem cells -> cell differentiation. b.) mitosis -> cell differentiation -> stem cells. c.) stem cells -> zygote -> cell differentiation. d.) zygote -> cell differentiation -> mitosis. 3. as a tree ages, it has to keep making xylem and phloem cells to carry food and water. which statement explains how this occurs? a.) cell division is not necessary for a plant to keep making more xylem and phloem cells. b.) the existing xylem and phloem divide to make more xylem and phloem. c.) xylem and phloem from one part of the plant are transferred to another part. d.) meristim cells divide and some of the new cells differentiate into xylem and phloem. 4. which process is most critical for different types of tree cells to develop. a.) dna replication. b.) cell differentiation. c.) sexual reproduction. d.) mitosis. 5. when the seeds of a tree first start to grow, what would happen if the cells did not differentiate? a.) other cells would differentiate. b.) all seeds would be identical. c.) the seed could form roots, but not leaves. d.) the dna would make new cells.

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Biology, 03.08.2019 05:00, demarcuswiseman

If some of the xylem of a young oak tree were destroyed, it would most likely interfere with the tree's ability to

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Biology, 11.10.2019 05:00, allenpaietonp9v8sv

How do we know that the xylem and phloem of a plant are similar to the veins and arteries of a human? a. we observe and record both organisms under many similar conditions b. we assume that they both serve the same function because they are the outer covering. c. we just know that the xylem and phloem transport blood through the tree. d. we count the number of tree rings to see how old the tree is.

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Biology, 13.11.2019 23:31, jess4kids

Read the passage to answer the question. have you had the chance to watch a tree grow over a span of several years? did you notice that the tree grew thicker and taller? deep in the roots of the tree and high in the growing shoots are meristem cells. each year, the meristem cells the tree continue to grow. question 2 as a tree ages, it needs to keep making more xylem and phloem cells to carry water and food. which statement explains how this occurs? meristem cells divide and some of the new cells differentiate into xylem and phloem. xylem and phloem from one part of the plant are transferred to another part. cell division is not necessary for a plant to create new xylem and phloem cells. the existing xylem and phloem divide to make more xylem and phloem.

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