Question 5 (1 mark) Learning goal 2: The energy lost from food chains:

is transferred to the non-living environment

is destroyed

Astudent poured a solution of bromothymol blue indicator into three test tubes. then he placed an aquatic plant in two of the test tubes, as shown below. he placed a stopper on each test tube and placed them all in the dark for 24 hours. bromothymol blue turns from blue to yellow in the presence of co2