Imagine that you wish to compare two types of feed that will be fed to laying chickens kept in two different chicken pens on the same farm. Both types of feed are made of the same grains, but come in two forms - pellets and crumbles. Pellets are the standard feed you have been using, but you believe crumbles will be digested more efficiently, and result in chickens laying more eggs. You set up an experiment. In your experiment you keep all other factors, such as the number of chickens per pen, the age of the chickens, the amount of food and water, and the type of chicken (all are Rhode Island Reds) the same. The chickens in Pen A are given pellets, and the chickens in Pen B are given crumbles. a. What is your hypothesis? b. What is your prediction? c. What will you be measuring to test your hypothesis? d. What is the independent variable? e. What is the dependent variable? f. What variables are being controlled? g. What group is your experimental group? h. What group is your control group?
Essential nutrients
These are the organic compounds present in the food that provide nourishment essential for the development and growth of our body. Nutrients not only provide us with the required energy to carry out various biological processes but are also the building blocks for repair and growth in our bodies.
Vitamins
The vitamins are organic molecules required in low concentration for the proper functioning of the body. They cannot be generated in the organism and are taken into the body through the diet. The lack of proper vitamins results in diverse deficiency disorders. They are thus called essential nutrients. The important vitamins are vitamin A, vitamin B complex, vitamin C, vitamin D, vitamin K, and vitamin E.
Imagine that you wish to compare two types of feed that will be fed to laying chickens kept in two different chicken pens on the same farm. Both types of feed are made of the same grains, but come in two forms - pellets and crumbles. Pellets are the standard feed you have been using, but you believe crumbles will be digested more efficiently, and result in chickens laying more eggs. You set up an experiment. In your experiment you keep all other factors, such as the number of chickens per pen, the age of the chickens, the amount of food and water, and the type of chicken (all are Rhode Island Reds) the same. The chickens in Pen A are given pellets, and the chickens in Pen B are given crumbles.
a. What is your hypothesis?
b. What is your prediction?
c. What will you be measuring to test your hypothesis?
d. What is the independent variable?
e. What is the dependent variable?
f. What variables are being controlled?
g. What group is your experimental group?
h. What group is your control group?
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