3. How many "years" separate the dinosaurs from humans on Earth?

The process of pasteurization is named after which famous French microbiologist?

An organism that must gain energy through eating something is known as a (n)

Facilitated diffusion can be described as the favorable movement of one solute down its concentration gradient being coupled with the unfavorable movement of a second solute up its concentration gradient. True or false?

How does ingestive protists obtain food

What is a characteristic that increases an organisms ability to survive and reproduce in an environment?

What is the function of a nucleus in a cell the nucleus A. controlls the cells activity B. the nucleus identifies the cell as belonging to a plant C. the nucleus determines what substances enter and leave the cell D.

Which best describes emerging scientific ideas? a. never been tested b. unpublished c. supported by most, but not all, scientists d. not studied by many scientists

A sonic boom is produced by a jet. What can you determine about the jet's motion? a) It is near a mountain where echos can be produced b) Its engines produced backfire c) It is increasing in altitude d) It is traveling faster than the speed of

What happens when someone dies?

As the mass of an object increases, so does its gravitational force. true or false