I had the same question and the answer was C OR A.
Answer:
Independent Variable:
temperature
dependent variable:
chirps
Hypothesis:
the lower the temperatures the less chirps
constants:
temperature or food and water
repeated trails:
success and failure
control:the experiment
Ecology is one component of Environmental Science that studies organismal interactions.
So your answer is c. interactions
Protein synthesis as well as DNA transcription
A is Dermal B is Vascular and C is Ground