Which ecosystem has the greatest biodiversity?
question 15 options:

bog

estuary

marsh

swamp

What are the two main phases of a cell cycle

Which statement correctly describes a way that mutations increase the likelihood that a species will survive in a changing environment

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