Answer:
37oC - temperature
It is important that the temperature is controlled because it maintains consistency and safety.
Explanation:
-Temperature is a common type of controlled variable.
-A control variable is anything that is held constant or limited in a research study
Tubes that deliver glucose to plants are called phloem.
Emigrated means they exited so due to the high amounts of pollution all the animals left which cause a population decrease
The answer is false.
The variability in marine salinity between habitats does impact the fish living there.
I hope this helps.