Describe how you would carry out sampling with a pitfall trap. State how you would reduce the risk of harm to capture organisms.

Explanation:

Pitfall trapping is a sampling technique that is widely used to examine species ... Solutions such as formalin are used in wet pitfall traps because they preserve the ... stone or other object to keep out predators and prevent trapped animals from ... however, can pose a significant by-catch risk to small non-target vertebrates ...

answer; /// i believe the correct answer is (reactants);