Suppose that there are 500 units of energy available at the producer level of the energy pyramid. Approximately how many units of energy are available to the first level consumer?

How many oxygen molecules (O₂) are required each time a molecule of glucose (C₆H₁₂O₆) is completely oxidized to carbon dioxide and water via aerobic respiration,? A) 1 B) 3 C) 6 D) 12 E) 30

Which environment is characterized by the highest diversity of tree species?

In the human male, the tube used to carry both sperm and urine is the

What purpose does pyruvate serve in cellular respirations

The largest time until the geologic time scale is the? A. Epoch B. Eon C. Period D. Era

Which are common properties of inorganic substances? Check all that apply. They are solid at room temperature. They are good conductors of electricity. They dissolve in water. They burn readily. They contain carbon.

Why are infections more common with compound fractures than with simple fractures?

Which is the of the phospholipid bilateral of the cell membrane

g Normal color vision in the human is due to a dominant gene, C, and is x-linked. The recessive form of the gene, c, causes the individual to be red-green color blind. A color blind woman marries a man with normal color vision.

Plasma from a sick mouse is filtered across a membrane that has a 200 nm pore size. If the filtrate is still infectious when injected into a healthy mouse, then the pathogen is most likely a (n): -parasitic worm -fungus -virus -bacterium -archaean