Question 41
Ecosystem and Ecological FactorsWhich of these materials is not required for insect collection in an ecological field-trip?
- A.Pooter
- B.Secchi disc
- C.Spreading board
- D.Jar containing alcohol
- E.Sweep net
Show the answer and explanation
Answer: B (Secchi disc)
Explanation
A Secchi disc measures how clear (turbid) water is.