A grove of pine trees grows in a cluster around the bank of a lake. What is this an example of?
A. Stabilizing effect
B. Intraspecific competition
C. Abiotic factors
D. Interspecific competition

Monitor and apply fix up strategies

Which is not a type of symmetry? a. asymmetryb. radial symmetryc. bilateral symmetryd. lateral symmetry

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