In an experiment, the control is

a standard used for comparison

the factor that should be changed

the hypothesis you are trying to support

the theory that guides the research

Lubricants reduce friction by replacing sliding friction with fluid friction, O A. True B. False O

What is a frogs main meal?

Which one of the following does not contain calories? A. Protein B. Alcohol C. Water D. Carbohydrate

Which evolutionary plant innovation eliminated the need for sperm to swim through water to fertilize an egg, resulting in plants being truly adapted for reproduction on land?

What is the probability of flipping a coin 4 times and getting heads each time?

Suppose a person has a mutation in their dna and the first triplet for the insulin gene reads TAT. The normal gene reads TAG. What amino acid does the mutant dna and the normal dna code for and will the person with this mutation be diabetic?

Bacteria divide asexually by binarry fission. Each new bacteria that results is gentically indentical. True or False

Holly has difficulty hearing but also has a problem identifying the direction and origin of a sound. holly is experiencing difficulty with

Combining dna from different organisms or different locations of a given genome that would not normally be found in nature is the definition for

Where does an eagle get the energy it needs to grow and to a fly? A. from the animal eats B. from the trees it nests in C. from the air it flies in D. from the water at fishes in