Compare/contrast

 food webs vs. food chains

 energy vs. biomass pyramids vs. pyramid of numbers

What is the importance of fat deposits and the surrounding fascia to kidneys?

To show gas exchange in the gills of a fish, why is it useful to include the mouth of the fish as well?

Explain why the gametes have only one allele for a trait

If there were no guard cells what would happen to the stomata?

Water molecules are positively charged on one end and negatively charged on the other. What does this property allow water to do?

What is a variable? A. A statement that explains a phenomena and can be tested. B. An educated guess used in an experiment. C. Something that must be kept constant in an experiment. D. A value or characteristic that can take different values.

Events that damage the cell's regulatory apparatus, trapping it in the G1 phase of the cell cycle, cause the uncontrolled division of cells called

What is incomplete dominace or codominance and its cause?

What is the functioning of cell membrane?

Why is the grass green and the sky blue?