Suppose you are designing an experiment to determine whether birds eat a larger number of sunflower seeds or millet seeds what is your manipulated variable what is a responding variable what are the variables would you need to control

Which of the following are false concerning microbes? a. microbes generate oxygen through photosynthesis.b. the primary role of microbes on the planet involves causing disease in animals and humans.c. microbes produce vitamins in the intestines.d. microbes play a role in breaking down waste and decomposing dead organisms.

Which of these serves as a reference for comparison during a scientific investigation? a)outcome variable (dependent variable) b) test variable (independent variable) c)control group d)hypothesis

The following hormone had their receptors in the cell membrane except a-insulin b-tsh c-gh d- cortisol