1
Q
Different regional climate communities
A
Biome
2
Q
Tall trees form a loose, leafy covering
A
Canopy
3
Q
Shorter trees and vines form a layer
A
Understory
4
Q
A material formed from decaying leaves and other organic matter
A
Humus
5
Q
Dense forests of coniferous evergreens
A
Taiga
6
Q
A layer of permanently frozen subsoil
A
Permafrost
7
Q
Sunlit region near the surface
A
Photic Zone
8
Q
Below the Photic zone (Photosynthesis cannot occur)
A
Aphotic Zone
9
Q
Floating algae (Called phytoplankton and zooplankton)
A
Plankton
10
Q
Ecosystem water either covers soil or is present
A
Wetland
11
Q
A wetland formed where a river meets the sea
A
Estuary
