Which best describes a theory?

an educated guess

a well-supported conclusion

a proven fact

an untested claim

Which of the following groups of organisms uses cellular respiration in mitochondria to produce ATP for their energy needs

DNA and RNA are similar in some respects and different in others. Which of the following statements is not accurate about their similarities? A. Both DNA and RNA nucleotides contain the nitrogen bases adenine, cytosine, and guanine. B.

A child having a tantrum in a department store screams louder the more upset his parent gets. This is an example of A) Negative Feedback B) Positive Feedback C) Survival of the fittest D) Dynamic equilibrium

Trees take carbon dioxide out of the air and convert it to oxygen, so the government funds a tree-planting initiative by offering $300 to any citizen who plants a tree.

Test your knowledge of water by answering the following questions. Approximately what percentage of the weight of the human body is water? Approximately what percentage of Earth's surface is covered by water?

Is it true that your organ systems do not interact with one another?

Is the practice of genetically modifying human cells ethical why or why not. If your friend was considering a genetic modification to have a child and asked for your advice, what would you tell her?

5. a. How many fertilized eggs does the female octopus produce?

The court has found that a registered nurse (rn) harmed a patient by violating his rights. the nurse is ordered to pay the patient a large sum of money. the court has determined that the nurse has committed a:

Wich employee is mist likely to come up with creative solutions