Which of the following is most likely to yield the fossils that scientists reconstruct the earth's biological history?
a.
sedimentary rock
b.
evidence of folds
c.
samples of igneous rock
d.
metamorphic rock

Which of the following is a way that minerals are used? a. industry construction technology d. all of the above

Students in biology are studying the macromolecules of life. they used a calorimeter to determine the calories in various types of food. once the lab was completed, the students ate the left over food samples. monica commented that in just 6 or 7 "chews" of the saltine, it was gone; nothing but a sticky paste in her mouth. elaborate on what happened chemically while chewing the saltine. include the macromolecules present.

Which is one example of a phenotypic change that is not genetic