Why did george mendel choose to use purebred plants in his experiments

answer by yourhope:

answer is

human impact on the environment can be seen in the deterioration of the !

: )

there is not 1 highest source of protein, but there are many; meats, fish, poultry, seafood, cheese, eggs, yogurt and milk. the only non complete animal food that is beneficial is gelatin.

sorry if this did not , have a great day!