Certain fossils, such as Trilobites found after the Cambrian explosion, are found in the same geologic time period all over the world. What is the importance of fossils that are consistently found in the same geologic time period?

Fast Energy is Associated with: Carbohydrates Lipids Proteins Nucleic Acids

A Venn diagram can be used to compare and contrast nucleic acids. Which characteristic would be correctly found in B?

An insect that has evolved to resemble a plant twig will probably be able to avoid A) parasitism. B) symbiosis. C) predation. D) competition. E) commensalism.

What are the advantages of a scientific naming system?

Where would you find hydrogen bonds in proteins?

What can happen when earth materials overcome the force of friction holding them together? A. a flood B. a landslide C. erosion D. wildfire

The Sun's gravity pulls the Earth toward it and keeps it from floating away into space. What keeps the Earth from being pulled into the Sun? A) the Sun's gravity B) the Moon's gravity C) the Earth's gravity D) the Earth's sideways motion

A nurse is in the dining room and overhears a new nurse tell a client with body dysmorphic disorder that she's much too thin and must eat more before she can go home. the client bursts into tears and runs out of the dining room.

Meiosis is responsible for

Which of the following examples illustrates a pivot joint in use? A. you wind up to pitch a baseball B. you wave good bye to your friend C. you kick a football D. you look behind you