The kidneys are organs that filter wastes out of the blood stream. Which of the following objects could best be used to make a simple model of a kidney? A. water pump B. plastic bag C. coffee filter D. block of wood

Which of the following locations would have the poorest quality soil? grasslands mountain top gently rolling hill low, flat field

How are fats different in composition from carbohydrates?

Fossilization continues even today. If you wanted to increase the probability that your deceased favorite pet would become fossilized, what actions would you take?

What are the seven main systems that work together to make up a human being?

7) This is the process that releases energy by breaking down food molecules in the presence of oxygen.

Which characteristics of capillaries cause restriction of blood flow

One cell has two copies of chromosomes while the other has none. What could have caused this

Suppose you want to set up an experiment to test the hypothesis that electromagnetic fields cause CCD, and you have 6 hives to work with. Which of these is the best experimental setup? A. 6 hives exposed to high levels of EMF B.

Which transports digested lipids and bile across digestive fluids to the surface of mucosal cells? a. LDL'sb. micellesc. HDL'sd. chylomicrons

Which biomes contain a limnetic zone surrounded by a littoral zone? A. rivers and streams B. estuaries C. coral reefs D. ponds and lakes E. oceans