What is a fossil?

the remains of an animal or plant preserved within a layer of rock

a large body of compacted ice formed over thousands of years

the energy radiated from the Sun

a change in the structure of Earth's surface

In desert areas, what process results in the formation of desert pavement? A. ephemeral stream flow B. plucking C. abrasion of rocks D. deflation

Which characteristic of life is not essential to the survival of an individual organism

When scientists classify living things they do not include viruses viruses this is because viruses

Which can be a genetic disease that requires control of insulin levels?

What do the following areas of scientific understanding have in common? the understanding of the structure of the Solar System the understanding of how traits are passed from parents to offspring the understanding of the building blocks of matter

How can we use rocks to determine how an area used to look in the past?

What type of bonds connect the deoxyribose sugars to the phosphate group?

What are proteins made up of?

What are at least 5 important words associated with the water cycle? What do they mean? Why are they important?

Which of the following organisms is NOT a protist? a. water molds c. Amoebas (protozoans) b. Escherichia coli d. Diatoms (algae)