Answer:
Experimental groups: type of dogs
Dependent variable: hearth rate
Independent variable: the amount of caffeine
Explanation:
The dependent variable is the variable being measured or tested in a given study, while the independent variable isn't changed by the other variables. In this case, the heart rate is dependent on the amount of caffeine, which is then the independent variable. The experimental groups are the groups exposed to the independent variable.
<span>Given that Jason, middle school boy, is well below normal height for his age, it is possible that Human Growth Hormone might be in short supply in his body. </span>Growth hormone<span> (h</span>GH<span>) is also called S</span>omatotropin. <span>This hormone is responsible for the </span><span>stimulation of growth, </span>cell<span> reproduction, and cell regeneration in humans.</span>
Answer:
I assume you are referring to bees?
Explanation:
From what I know and this is just surface level knowledge, she is the one who births the hive and usually designates their purpose once she has laid the eggs. She herself does not do much, she is just the one that the infrastructure of the hive follows in maintaining the hive itself. I hope this helps. Good luck!
Answer: mathematics
Explanation:
Mathematics is the study of quantity, space, structure of a concerned entity or population size. A scientific experiment may be based on the analysis of variables must be having large sample size. Therefore, quantitative estimation of the results is required. Hence, a scientist requires mathematics to interpret the results of a scientific experiment.