Answer: Gastroenterology
Explanation: Gastroenterology is a branch of medicine concerned with digestive diseases. The practice of gastroenterology concentrates on the diagnosis and treatment of diseases involving the esophagus, stomach, small intestine, and large intestine (colon), liver, and pancreas. Examples of conditions treated: Abdominal pain.
Answer:
<em>The correct option is A) cadmium dosage</em>
Explanation:
In an experiment, an independent variable can be described as a factor which is changed naturally or by us to see its effect on the dependent variable. The dependent variable is the variable which is under study and depends on the independent variable.
In the following experiment, we are checking the effect of different dosages of cadmium on the surviving ability of tadpoles. Hence, cadmium dosage is the independent variable. Tadpole population is the dependent variable.
Weather : too cold or too hot due to climate change
Habitat can be destroyed due to natural phenomenon
Prey cut off by physical barrier
Lack of water
Commentulism: one organism has benifit, other no affect.
Mutualism: both organisms have benifit.
The cell keeps molecules balanced inside and out hope i was right have a very nice day