Friday, February 21, 2014

Post 15: February 20, 23

A and P:  Describe the pathway of air from the outside environment to the point of exchange with the capillaries.  Also briefly explain the mechanisms for breathing.

Biology:  Explain how molecular clocks can be used to show evolutionary time and relationships.

Microbiology:  Briefly explain how and why bacterial cells would develop spores.

Physics: What is meant by the term intensity when referring to sound waves?  What units are used to measure it?  What is the threshold level for safety?

E and S:  What are two factors that determine the value of a particular mineral or gemstone?  How can these things help determine the wealth of a country?

Zoology:  Describe the function of 3 of the parts of the earthworm anatomy that we have studied.

No comments:

Post a Comment