chapter 3- the biosphere
chapter 4 exam
100

 at the beginning at the food chain are 

producers 

100

The loss of heat to space is slowed by what 

atmospheric gases

200

the average year after year conditions of temperature and precipitation in a particular region is the regions 

climate 

300

approximately what percentage of energy available within any given trophic level is transferred to the next trophic level in that ecosystem

10%

300

each of the following is an abiotic factor in the environment except 

plant life 

soil type 

rainfall 

tempeture 

plant life 

400

symbiosis in which both species benefit is called  

mutilisim 

500

primary succession can begin after 

a lava flow