Carbohydrates, lipids, proteins, and nucleic acids are the four major macromolecules that make up most living things. For each of the four macromolecules, list: a)the elements they are usually composed of b)the monomers that make up each macromolecule c)the function of the macromolecule in an organism d)an example of the macromolecule

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

Examine the two squirrel populations in the accompanying figure. the populations are separated by a geographic barrier. if after a long period of time the two species are no longer separated, what evidence is needed to determine if speciation has occurred? the figure shows two populations of squirrels separated by a geographic barrier. examine the two squirrel populations in the accompanying figure. the populations are separated by a geographic barrier. if after a long period of time the two species are no longer separated, what evidence is needed to determine if speciation has occurred? the figure shows two populations of squirrels separated by a geographic barrier. polyploidy is creating new species. the two populations are not interbreeding freely. hybrid offspring of the two populations begin to appear. one species will increase into a population size twice as large as the other species.

What is the difference between an igneous, sedimentary and metamorphic rock