__________ usually have warm-hot summers and cool-cold winters with a medium amount of rain. The vegetation is usually sculpted by lager herbivores and/or fire  

Due to things like habitat destruction and other human activities, the rate of ________ is MUCH higher than normal, causing a massive recent loss in biodiversity. 

Chlorine has an atomic number of 17 and an atomic mass of 35. How many protons would it have?  

The 4 major classes of organic biological molecules are 

A weak interaction between two polar molecules is called a 

An acid is a substance that provides extra 

The dead zones from the book/lecture are when 

A photoautotroph would use

Which one of the following is consistent with the frontier ethic?

Enzymes are _______ and can be __________ by extreme heat and extreme pH swings.