The Reproducing Community

Rachel Assante, Period 8, Jan. 26-Feb.5, 2016

Dichotomas Key-

1a.-the tree is green............................................................................................go to 2

1b.-the tree is red................................................................................................sugar maple


2a.- the tree is a cone shape..............................................................................ever green

2b.- the tree is not a cone shape.......................................................................go to 3


3a.- needle like "leaves"......................................................................................eastern white pine

3b.- the tree looks like it would have actual leaves.........................................go to 4


4a.- full at the top................................................................................................go to 5

4b.- full trough out the tree (includes base and top).....................................southern magnolia


5a.- light green leaves........................................................................................coast redwood

5b.- dark green leaves.......................................................................................giant sequoia

Vocabulary-

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Turgor Pressure

the internal water pressure that provides support to the plant
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Root Wedging

when a root wedges into a hard material to find water or nutrients

Common Misconceptions-

  • A common misconception about plants is that plants take in all substances they need to grow through their roots and actually they take in air through their leaves. Chloroplasts in the plant absorb the sun’s energy for use in photosynthesis. Water and minerals are taken in through the roots.


  • Another one is that plants get their energy from the soil through roots but, they actually have chloroplasts in the plant absorb the sun’s energy for use in photosynthesis.


  • The last one is that plants need things provided by people (water, nutrients, light) but, actually while people often care for plants (especially those indoors), plants as a whole are not dependent on people for their needs.

Video-

I thought this video was a great example of turgor pressure, its showing how with limited water the pressure goes down and so does the plant.
Time Lapse of Sunflower from Seed to Flower