1.
What is another name for C02, water vapor, methane and CFCs?
A. 
B. 
C. 
D. 
2.
What is the name for the calculations to estimate a person's total C02 emissions?
A. 
B. 
C. 
D. 
3.
What is the natural heating effect that can be beneficial but is currently out of hand due to extreme C02 amount in the atmosphere, causing the earth to heat dramatically?
A. 
B. 
C. 
D. 
4.
What is permanently frozen topsoil called?
A. 
B. 
C. 
D. 
5.
What is the land called that covers high latitudes north of the arctic tundra in the Northern Hemisphere and in Antarctica in the Southern Hemisphere. Hint: It's extremely cold year round and only a small percentage does not have ice or snow in the summer.
A. 
B. 
C. 
D. 
6.
What is the largest terrestrial biome on Earth that streches across North America and Asia south of the Arctic Circle?
A. 
B. 
C. 
D. 
7.
Which biome receives 200-400 cm of rain annually, and has large canopy like trees that provide habitats for many animals and other plants.
A. 
B. 
C. 
D. 
8.
Which biome has 30-50 cm of Rainfall annually and its biggest abiotic factor is fire from lighting and humans. Hint: The plants here have evolved so that they have long shroots in the ground or they have seeds that sprout right after the fire
A. 
B. 
C. 
D. 
9.
Which of these is a photosynthetic algae or bacteria that provides energy for diverse communities of animals?
A. 
B. 
C. 
D. 
10.
Which of these is a free-floating animal (can be microscopic) that are abundant in pelagic photic zone's?
A. 
B. 
C. 
D. 
11.
Which biome occurs in the photic zone of warm tropical waters, that has built up slowly over generation of diverse groups of cnidarians that secrete a hard external skeleton?
A. 
B. 
C. 
D. 
12.
What is a transitional area between a river and the ocean called?
A. 
B. 
C. 
D. 
13.
What is the area where the ocean meets the land, where the shore is pounded by waves during high tide and exposed to sun during low tide?
A. 
B. 
C. 
D. 
14.
Which area is located in shallow water near the shore and the upper layer of water away from the shore. Hint: it is also where light is available for photosynthesis.
A. 
B. 
C. 
D. 
15.
What is a major terrestrial or aquatic life zone characterized by vegetation or the physical environment?
A. 
B. 
C. 
D. 
16.
What is a transitional biome between an aquatic ecosystem and a terrestrial one called? Hint: the government is now trying to protect these areas due to how helpful they are.
A. 
B. 
C. 
D. 
17.
Which is at the bottom of all the aquatic biomes?
A. 
B. 
C. 
D. 
18.
What is a gradual, though still reversible, physiological adjustment that occurs in response to an environmental change?
A. 
B. 
C. 
D. 
19.
What consists of an assemblage of populations?
A. 
B. 
C. 
D. 
20.
What is an ecosystem?
A. 
All the abiotic factors in addition to the community of species in an area
B. 
Just the biotic factors of an ocean
C. 
Only the abiotic factors of the savanna
D. 
21.
What is the name for a group of individuals of the same species living in a particular geographic area?
A. 
B. 
C. 
D. 
22.
Where are the tropics located?
A. 
B. 
C. 
Between the Tropic of Capricorn and the Tropic of Cancer
D. 
23.
Which are not included in the Chaparral Biome?
A. 
Coole ocean currents circulation offshore
B. 
C. 
Mild rainy winters, hot dry summers
D. 
24.
Which biome is located in midlatitudes where there is suffiient moisture to support the growth of large trees? Hint: Known for deciduous trees.
A. 
B. 
Temperate Broadleaf Forest
C. 
D. 
25.
What is the specific environment an organism lives in including the biotic and abiotic factors?
A. 
B. 
C. 
D.