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Dichotomous key

By tarapav

1. Alive at maturity: go to 2
1. Dead at maturity: go to 6

2. Alive at maturity but no nucleus: phloem
2. Alive at maturity with nucleus: go to 3

3. Ground tissue: go to 4
3. Dermal tissue: go to 5

4. Functions as support: collenchyma
4. Functions as storage and for photosynthesis: parenchyma

5. Regulates gas exchange: guard cell
5. Increases surface area for more absorption: trichome

6. Vascular tissue: xylum
6. Ground tissue: go to 7

7. Long and slender: fiber
7. Star shaped: sclerid

This entry was posted on January 24, 2006 at 8:18 pm and is filed under Uncategorized. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.

One Response to “Dichotomous key”

  1. Chris Says:
    January 24, 2006 at 10:23 pm

    looks good. I especially like 2 — good distinction. technically, a trichome is involved in water conservation, not absorption, though. everything else looks good, though.

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