Which feature on microscope did Anton van Leeuwenhoek add that enabled him to magnify organisms about 250 times?
•drop of water
•light from oil lamp
•tubes that extend
•polished lenses

What do science, technology, and disease have to do with each other?

Organisms are classified, or grouped into categories, based on similarities in their characteristics and/or evolutionary relationships. the study of how organisms are classified is known as

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.