1: Dichotomous Key
2: Entomologists
Answer:
I'm pretty sure it is the invasive Lionfish.
Explanation:
They are "threatening" native fish and destroying the environment in the coastal waters. They are the causes of extinction, reducing biodiversity, and fighting for resources. Hope this helps you and have a good day!
B
(without the control you won't know what a normal result would be without the independent variable).