Scientists want to determine if toxic chemicals in plastic are accumulating up the food chain.They catch 24 small fish in the area and 24 large fish in the area and test both types of fish for chemicals that could have come from plastic.What type of study would this be?

Question

Quizplus · Accepted Answer

This is an observational study as the scientists are observing the levels of toxins in different sizes of fish without manipulating any variables. In an experimental study, scientists would have intentionally exposed one group of fish to plastic and then compared their levels of toxins to a control group that was not exposed.

Scientists Want to Determine If Toxic Chemicals in Plastic Are