4.1
4.2
4.3
4.4
APPLYING CONCEPTS (x2)
100
This zone sits near the equator
What is the tropical zone?
100
When one organism captures and feeds on another organism
What is predation?
100
The driest biome
What is the desert?
100
The dark zone of the ocean where photosynthesis cannot occur
What is the aphotic zone?
100
The primary reason why the polar zones are cold
What is the low angle at which the sun's rays strike Earth?
200
The zones closest to the North and South poles
What are the polar zones?
200
The first species to populate an area after primary succession occurs
What are pioneer species?
200
A layer of permanently frozen subsoil, found in the tundra
What is permafrost?
200
Unicellular algae that form the base of many food webs for aquatic ecosystems
What are phytoplankton?
200
The most common pioneer species after a volcano eruption blankets the land with lava rock
What are lichens?
300
The zones that sit between the polar zones and the tropics
What are the temperate zones?
300
When community interactions restore an ecosystem back to balance
What is secondary succession?
300
The ability to survive and reproduce under conditions that differ from their optimal conditions
What is tolerance?
300
Wetlands that form when rivers meet the sea, containing both freshwater and saltwater
What are estuaries?
300
This temperate biome contains both deciduous and coniferous trees as well as soils rich in humus
What is the temperate forest?
400
The primary difference between weather and climate
What are day-to-day conditions versus year-after-year conditions?
400
The competitive exclusion principle states that no two species can have these two things the same at the same time
What is niche and habitat?
400
The tropical rain forest is characterized by (1) this kind of rainfall and (2) this dense covering of tall trees
What are year-round rainfall and canopy?
400
The zone where the horizontal banding of organisms, also called zonation, is most common or prominent
What is the intertidal zone?
400
Organisms that lie on the same trophic level in a food web share this type of community interaction
What is competition?
500
The three most common greenhouse gases
What are carbon dioxide, methane, and water vapor?
500
The three main types of symbiosis
What is mutualism, commensalism, and parasitism?
500
A biome is complex of communities that covers a large area and is characterized by these two shared characteristics
What are soil and climate conditions?
500
The four aspects of water that characterize aquatic ecosystems
What are depth, flow, temperature, and chemistry?
500
The coral reefs lie in these two zones, which contributes to their immense bioproductivity
What are the photic zone and the coastal ocean zone?
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