What could he have done to increase the validity of his data? Reduce the number of plants.
Remove the 1 hour group.
Add a 0 hours control.
Measure the oxygen in liters.
Mark this and return
Save and Exit

an organism's phenotype is the  form of a trait  that it  displays. for  flowercolor, a pea  plant  can  display  a phenotype of purple or white flowers. an organism's  genotype  is the alleles of a gene it contains. based on his data, mendel concluded that a phenotype can be  determined  by more than one  genotype.

primary succession occurs in essentially lifeless areas regions in which the soil is incapable of sustaining life as a result of such factors as lava flows, newly formed sand dunes, or rocks left from a retreating glacier. secondary succession occurs

options?

explanation: