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.
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.
2 answers
Ok I get it thank you.
1 answer