Will give brainlest to correct answer animals are often grouped as a. vertebrates or invertebrates. b. heterotrophs or autotrophs. c. walkers or crawlers. d. swimmers or runners.

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.

Dna replication or repair occurs in a cell in all of thw following situations except when

Hydroelectric uses moving water to do work such as grinding grains in a mill true or false