Why scientists use tools, such as thermometers and metersticks, when they make observations

What happens when the heart does not get enough oxygen?

If the test for a disease is accurate 52% of the time, how often will a test result come back positive if a patient doesn't have the disease? A. 52% of the time B. 48% of the time C. 42% of the time D. 58% of the time

Select all that apply. which characteristics do archaea and bacteria have in common? -both can live in extreme environments -both are prokaryotes -both reproduce mostly by binary fission -both are relatively young organisms

Which trait distinguishes between the kingdoms of Bacteria and Archaea? whether or not the organisms thrive in extreme conditions whether or not the organisms thrive have a nucleus whether or not the organisms are unicellular or multicellular

What is the process that allows mixing the combinations of genes in a single chromosome, resulting in a virtually infinite possible combination of genes?

Females have two of which reproductive structure? Uterus Vagina Urethra Ovary

A new island forms due to an underwater volcano. Birds from the mainland colonized the island. This is an example of a. Behavioral isolation b. Reproductive isolation c. Geographic isolation

Explain the importance that Agriculture has on your everyday life. Describe how your life would be affected on a day to day basis without Agriculture

The human body contains many different types of glands; glands that secrete digestive enzymes, mucus, and sweat. These secretions are modified, sorted, and packaged for later release from gland cells.

Which of the following is correctly explains why viruses are not classified with either prokaryotes and eukaryote organisms They contain cells that have no life giving function They have a cell wall and a cell membrane They are not surrounded by a