Permafrost, low average temperature, and very little precipitation are characteristics of this biome.
What is the tundra.
Fresh water is called fresh water because it has little to none of this element.
What is salt?
Saltwater makes up this percentage of the water on the earth (within 5%).
What is 70%?
Condensation, precipitation, and evaporation make up this cycle.
What is the water cycle?
Over a long period of time, dead and decomposing organisms turn into these, which are then burned during combustion.
What are fossil fuels?
What is the taiga
Bogs, marshes, and swamps are types of these - areas of land that are saturated or soaked with water for at least part of the year.
What is a wetland?
This ecosystem contains the oceans largest, fastest, and deepest diving organisms, and includes waters down to depths of 2000 meters.
What is the open ocean?
This gas is turned into a usuable gas with the help of "fixation" from bacteria or lightning.
What is nitrogen?
Matter is anything that has _________ and takes up _________.
What is mass and space?
Rocky, sandy, and dry (less than and average of 3 inches per year) is how you could describe this world biome.
What is the desert?
This is a partially enclosed body of water formed where a river flows into the ocean.
What is an estuary?
The intertidal and neritic zones are ecosystems in this part of the ocean.
What is the coastal ocean?
Two of the five stages in the carbon cycle are these.
This states that energy can neither be created nor destroyed.
What is the law of conservation of energy?
This biome includes the African savanna, is full of grass and very few trees, with high average temperatures throughout the year.
What is the tropical grassland?
These two types of water bodies are surrounded by land.
What are ponds and lakes?
This zone is the deepest part of the ocean, where no light reaches.
What is the abyssal zone?
This is a tool that can be used to trace the flow of energy through an ecosystem.
What is an energy pyramid?
What are producers?
The North American prairie is an example of this biome, which includes moderate precipitation, hot summers and cold winters.
What is the temperate grassland?
These two factors determine how fast a stream or a river flows.
What are the slope and the depth?
One of the three micro-systems found within the neritic zone.
What is the coral reef, kelp forest, or seagrass meadow?
Fill in the blank - The amount of energy available and population size ______________ as you go up the energy pyramid.
What is decreases?
This is the type of consumer found at the very top of the energy pyramid.
What is tertiary?