A circular muscle in the cow called the _____________ muscle prevents milk from leaking into the teat
Fill in the blank(s) with correct word
sphincter
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____________________ is the sum of the processes, both physical and chemical, that are used by
living organisms and cells to handle nutrients after they have been absorbed from the digestive system.
Fill in the blank(s) with the appropriate word(s).
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In research, the genetic differences of study animals is usually controlled by:
a. choosing animals that look alike b. using a large number of animals c. restricting the number of control groups d. increasing the number of study trials
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The USDA has established how many classes of farms?
a. three c. five b. four d. six
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Sterilization is the process of:
What will be an ideal response?
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