Classify the following as either a specific or a nonspecific defense of the body's immune system. • skin
• macrophages
• bacteria • mucous
• fever
• b cells • t cells
• antibodies

1. mendel observed that pea plants had traits, such as color, that were either “one or the other,” never something in between. discuss the correlation between mendel’s factors, what they might be, and why pea plant traits come in one form or another—e.g., gray or dark red—rather than blended.