An example of a biological event that follows a circadian rhythm is:

Which action best models the role gravity plays in the formation of galaxies? A. Two bowling balls strike each other and roll apart. B. Two drops of water drip from a faucet into a sink. C. Two magnets are pulled toward each other and stick together.

What are the tendons that connect the valves to the muscles

Question 7 If a gas and a liquid are both at the same temperature, the particles of gas have a higher average kinetic energy. 1) True 2) False

How do your eyes adjust to darkness? Why does this happen?

Describe how the barred owl population is having a negative effect on the spotted owl population

A little boy blows air into a rubber glove and ties a knot at the end of it. He realizes that he wants the puffed-up glove to be bigger, but he's already tied a knot that he cannot untie.

How often does the body perform cellular respiration?

Which of the following is NOT a characteristic of all living things? a Ability to move b Response to the environment c Ability to Reproduce d Growth and development

What do you observe happening to the wavelength and frequency of the wave under the spectrum as you slide the green arrow from left to right?

Seals and penguins both have streamlined body forms that allow them to move through water efficiently. this similarity in body shape is mostly likely the result of: