6. About how much energy in one trophic level transfers to the trophic level above it? A. 5 percent

B. 10 percent

C. 25 percent

D. 50 percent

Which of these statements are true about scientific theories and hypothesis

Plants that have reproductive structures called cones are?

Vaccines are weakened forms of disease causing microorganisms, which are given to patients to prevent disease. after the vaccine is administered, the immune system responds by creating a(n) to recognize the a.) antibody, antibiotic b.) antigen, antibody c.)antibiotic, antibody d.)antibody, antigen