The biome is best described as the regions of earth that support a. plant life b. animal life c. all life d. human life

Which plains area lies in both the united states and canada? altiplano central canadian shield coastal plains great plains

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.

Read each description below and determine to which stage of sleep each pertains. then click and drag each box into the appropriate category below.