Lichens grow on trees and can indicate air pollution levels.
A student wants to find out the level of pollution in an area by measuring the abundance of a particular species of lichen.
Which two tools should the student use to find out the abundance of the lichen in the area?
1 )
Key and net
Key and quadrat
3 )
Line transect and key
4 )
Pooter and quadrat
تحلیل ویدئویی تست
منتظریم اولین نفر تحلیلش کنه!
پرسش و پاسخ های مشابه
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