Plant cells make their own food from the reaction between which two substances?

How is the average amount of motion of atoms and molecules of a substance measured? A. time B. mass C. distance D. temperature

How does a protein's quaternary structure differ from other levels of protein structure?

What is not apart of an ecosystem A) Fungus b) sun c) tree d) fly

Bias occurs when a person bases statements on feelings or judgments rather than facts. a. True b. False

Which of the following is true of cloning? A) clones are the result of gene therapy B) clones contain exactly the same DNA sequences as the original organisms C) clones are always exactly identical in their appearance and behavior D) clones contain

What type of fossils provide evidence of the activties of ancient organisms? a carbon filmd b petrified fossils c molds and casts d trace fossils?

Which phenomenon occurs when the Sun crosses the plane of Earth's equator

What is nonconformity in geology?

How many chromosomes would be found in sperm cells from a deer mouse

What shows the one-way movement of energy through an ecosystem? A. food chains B. food pyramids C. food webs