Edexcel IAL UNIT 3 BIOLOGY 2015
Hey independant variable was concentration of mineral ions
Control PH and age of plants
and what was the alternative solution for growth of duckweed?
and mineral ion that had most effect on duckweed was nitrate or iron?
and what was the calculation answer?
i drew 2 graphs for second one where they asked for a sketch was it correct?i drew 2 graphs with 2 sketches one for sitable and one for unsuitable habitat...is it correct?
tell me if i am wrong
Control PH and age of plants
and what was the alternative solution for growth of duckweed?
and mineral ion that had most effect on duckweed was nitrate or iron?
and what was the calculation answer?
i drew 2 graphs for second one where they asked for a sketch was it correct?i drew 2 graphs with 2 sketches one for sitable and one for unsuitable habitat...is it correct?
tell me if i am wrong
first of all the independant variables were the solutions with the missing menral ions . u can't say concentration because they didn't vary the concentration or atleast they didn't say anything about it , so sorry it's wrong . there are alternatives for graphing so i can't tell u of u got them right just by knowing the number of graphs u drew . for the other method of measuring plant growth i wrote lenght of leaves and roots , i also wrote number of leaves and roots but im not sure if it's correct .
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