Label this Perch Fish PLS URGENT!!

Plsss > .< compare and contrast the characteristics of flatworms rounds worms and earthworms

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

What type of reaction is photosynthesis