An abiotic factor is a non living thing
Answer:
B. Native beetle species outcompete the nonnative species.
Explanation:
If native species outdoes the nonnative then the nonnative species cannot become invasive and take over the ecosystem.
I’m not sure about your experiment can you explain?
You are right, it is B because, endocrine glands, as part of the endocrine system, they regulate and maintain a constant equilibrium in our bodies, known as homeostasis.