Answer:
He used peas because they are self pollinating,they grow fast,and they have many traits
I believe that the right answer is Heat energy
The four phases of the menstrual cycle are menstruation, the follicular phase, ovulation, and the luteal phase. Common menstrual problems include heavy or painful periods and premenstrual syndrome (PMS). Knowing when in the menstrual cycle a woman is most likely to conceive can increase the chance of pregnancy.
Answer: the capsation (the chemical that causes the hot, burning taste/sensation) causes pain and discomfort in the animal attemptng to eat the plant therefor protecting it.
They occurred in industrialized areas.