Which of the following animals is most likely to have an open circulatory system? A. lizard B. bird C. dog D. crab

During which phase of meiosis do spindle fibers move the sister chromatids to the center of the cells?

Which type of macromolecule is made up of subunits that are called amino acids? carbohydrate lipid nucleic acid protein

Staphylococcus aureus is grown in heart-infusion broth at 37°C. If you start exponential phase with 100 cells, and after 90 minutes you have 800 cells, what is the generation time for S. aureus?

What structure do the invertebrates use to sense the environment

What is a key part of Darwin's idea of natural selection

What role do bacteria play in the carbon cycle

Which of the following jobs is in the agriculture career cluster? A. Animal scientist B. Account C. Warehouse manager D. Audio/video technician

How does the burning of fossils fuels contribute to climate change

You're purchasing the meat of a two-year-old sheep from the butcher. Your chef says this meat is lamb. The butcher says the meat is referred to as mutton. Who is correct? A. Neither the chef nor your butcher is correct. B.

Changes in temperature and ph can decrease an enzyme's activity by breaking