How many trophic levels are there in the following food chain? algae - mosquito larvae
dragonfly larvae
trout
O A. 3
O B. 4
O C. 5
O D. 2

Which is the correct order in the scientific process? ask a question ® form a hypothesis ® make an observation ask a question ® make an observation ® form a hypothesis make an observation ® form a hypothesis ® ask a question make an observation ® ask a question ® form a hypothesis

Which would be the most useful source of evidence to support mcneill's contention?

Use the distance formula to determine weather each pair of segments have the same length