I’m sorry but that is not biology
The study of human populations is called Demography. Sorry it’s late.
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
Answer:
It depends on the age of people using it at that time, but you can always try
Explanation:
Answer:
properties cell membranes
