The question, which can be tested in a scientific manner is this: WHAT CAUSES SOME PEOPLE TO BE COLOR BLIND.
For a question to be capable of been tested scientifically, it must possess some characteristics. The characteristics include the following: it should be testable, it should have real answers and it should be able to lead to an hypothesis, which can be proved to be wrong or right. Asking the right question is part of the methods that scientists used to investigate observed phenomenon.
Answer: natural selection, predators, increase
Explanation:
The reason that producers are found at the bottom of the trophic level is because producers eat plants and other things and other types of animals eat them and take their energy. Hope this helps.
Answer:
carbon, hydrogen, and oxygen
A unicellular organism is a single-celled organism.
We know that it lives in the human body.
Bacteria is a single-celled organism that lives in the human body.
I hope this helps!
~kaikers