It's then independent variable.
This is the case because Eleanor is making these temperature changes.
Extra info.
The dependen variable would then be the result of hatching. This is the case because it depends on the different temperature to see what the effect of temperature change is affecting the time of hatching
Answer: ecosystem
An ecosystem is a community of living and non-living components. A coral reef is an aquatic ecosystem which is formed by a continuous walls of calcium carbonates released by living animals they get combine to form rocks. These rocks and walls are collectively called as hard stony corals. These hard stony corals provide shelter to many aquatic animals like fishes. As the water is the chief abiotic factor along with coral walls and rocks which help in the survival of living organisms therefore, ecosystem is the largest organizational level found in one coral reef.
I can answer the third one:
Photosynthesis takes place in two stages<span>: light-dependent reactions and the Calvin cycle (light-independent reactions).</span>
I believe the correct answer is DDT.
It kills mosquitoes but thins the eggs of birds.
Hope this helps.