Which of these is an example of calcium carbonate?

A.

diamond

B.

graphite

C.

water

D.

shells of snail

What describes and organism that exists as a group of cells?

Which of the following best defines energy? A.) the ability to do work B.) the amount of force in a given time C.) how fast an object moves D.) the resistance to motion

Bacteria, viruses, protozoa, and green algae are all microbes, but one group is much smaller in size than the rest. Which microbe is the smallest? A. a green algae cell B. a bacterium C. a protozoan D. a virus

Name the nut that is used in the manufacturing of dynamite.

It has been recently determined that the gene for Duchenne muscular dystrophy (DMD) is more than 2000 kb (kilobases) in length; however, the mRNA produced by this gene is only about 14 kb long.

What will a hypothesis become if it is supported by repeated experimentation

During energy transformations, sometimes energy is destroyed. is that true or false

Your patient has been diagnosed with right ventricular failure. Which of the following abnormalities is not a direct result of this problem Your patient has been diagnosed with right ventricular failure.

Which of the following is an example of sensors working during homeostasis? a blood volume decreasing from lack of water b the pancreas failing to release insulin c acidic blood pH disrupting cell metabolism d energy demands triggering a release of

If two organisms evolve in response to each other which evolutionary pattern is demonstrated