Foreign invaders have proteins called antigen, which antibodies lock onto to neutralize. The foreign proteins are different from proteins in our own body, so the immune system can recognize them and finally eliminate them.
Answer: independent variable- strawberries that got water
dependent variable- water
control- strawberry that didn’t get any water
Explanation:
I believe for number 1 the answer is A 260
A. Nonnative species that are superior competitors
