Why do plants not need a respiratory system
Asked by pppdr - 3 answers - Nov 09, 2012
What are plants that make there own food
Asked by zpratt52 - 1 answer - Jan 26, 2012
Are there any negative effect of water on plants?
Asked by idroshin - 1 answer - Dec 11, 2011
Explain why reproduction in a moss depends upon water.
Asked by pamzrn - 0 answer - May 19, 2010
Explain why the alternation of generations is of adaptive value for plants living on land.
Asked by pamzrn - 0 answer - May 19, 2010
Why is genetic engineering and natural pesticides both an organism and a ecosystem?
Asked by bamcharger1058 - 1 answer - Apr 18, 2010
Would a plant whose leaves are naturally yellow contain some thing other than chlorophyll?
Asked by lay - 1 answer - Feb 20, 2010

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