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development of plants vs development of animals.

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development of plants vs development of animals.

Postby NewtoBiology » Sat Sep 13, 2008 1:19 am

hello biologists

I have a question for homework which I have researched and toiled over. I have put endless hours into it, and just before handing it I am wondering if some of you can help me out. Please see my answers and reasoning in bold below.

Q: which of the following best explains why one of the significant differences between the development in plants and the development in animals is pattern formation.

1. Pattern formation is continuous in plants (TRUE) and limited to early development in animals. (TRUE)
2. Pattern formation occurs in all parts of the plant (TRUE) but is limited to specific locations in animals. (here is where I am stuck, because fetus or embryos pattern grow in all locations, but I do think that in animals there is LIMTED pattern formation. )
3. both a and c are correct
4. Pattern formation is continuous in animals and limited to early development in plants. FALSE
5. Pattern formation is limited to specific locations in plants but occurs in all parts of animals. FALSE

Therefore after hours of toying with this question I am guessing #1 is a fair statement, but parts of #2 are too, therefore would I be right in concluding that #3 is the best answer, for my reasoning interjected above?

Thank you for your insights

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Postby Darby » Tue Sep 16, 2008 8:20 pm

You need to read about meristems.
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Re: development of plants vs development of animals.

Postby NewtoBiology » Wed Sep 17, 2008 4:57 am

Hello

Actually I know considerable amounts about meristems. I understand that they are embryonic plant tissue in the tips of roots and in the buds of shoots that supply cells for the plant to grow in length. The problem is that pattern formation can be defined as the ordering of cells into specific 3D structures, which is an essential part of shaping an organism and it's individual parts. How does meristems therefore help me answer the question. Could you help a bit more?

After researching more I have decided to choose "pattern formation is continuous in plants and limited to early development in animals'

Would you agree with my choice??

I am grateful for the help!

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Postby MrMistery » Mon Sep 22, 2008 4:10 am

that's the right choice.
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