Which scientist developed the system for classifying organisms?

A student in science class is observing a cell under a high-powered microscope and sees two structures that are found in both plant and animal cells. Which could the structures be?

What weather conditions would exist in El Paso based on the weather map seen here?

When an unbalanced force acts on an object, the motion of the object, sometimes the object continues to move at the same speed. when that happens, what is it that changes?

Which is the first step that occurred in the speciation of the Galapagos Finches?

Why are common names not a good reference to a species? common names can be in different languages common names vary with location common names vary with culture common names vary with species color

Given that transcription - the production of mRNA - requires a DNA template, where do you think this process occurs in the cell?

Introduced species can threaten biodiversity because they a. cause desertification b. cause biological magnification c. crowd out native species d. reduce the amount of fertile land

Sirius B was an important star in ancient Egypt and was used to warn for floods on the Nile River. Is Sirius B brighter or dimmer than the Sun? * a) Brighter* b) Dimmer

How old am i and when is my next birthday?

What is it called when genetic information is exchanged between homologous chromosomes during prophase i?