Answer:
A prokaryote is a simple, single-celled organism that lacks a nucleus and membrane-bound organelles.
George Mendel chose to use purebred plants in his experiments because they have a variety of traits.
Answer:
Only Water, Oxygen, Nitrogen and ammonia
Explanation:
Answer:
The Moon completes a circle around the Earth in approximately 28 days.
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