Mendel began his experiments with purebred pea plants. this approach enabled him to determine that variations among offspring were the result of * 20 points

With this experiment, Mendal began his experiments with Purebred pea plants. This enabled him to determine The variations of offspring is the result of * his crossings.* When Mendel crossed plans with purebred purple-flowerd with plants that were purebred white-flowered, The resulting was the offspring had purple flowers.

That is true tge cactus as a structural adaptation to its envirinment has it leaves reduced to spines. but this doesnt mean it cant produce food it produces food because of the presence of chlorophyll in its stem