Homework Help: Science

Posted by Gaby on Wednesday, January 21, 2009 at 3:38pm.

I was doing a lab about tropism in plants. I used mustard seeds and they had a positive growth. I do not understand the question...

Classify the responses you observed as positive or negative tropisms.

Science - DrBob222, Wednesday, January 21, 2009 at 3:50pm
Here is a definition of tropism.
http://www.google.com/search?q=define%3Atropism&ie=utf-8&oe=utf-8&aq=t&rls=org.mozilla:en-US:official&client=firefox-a
If the mustard seeds had a positive growth rate I would think that meant that they had a positive tropism.
Science - Gaby, Wednesday, January 21, 2009 at 3:52pm
Ok I get it thank you.

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