This area receives very little rainfall, and usually experiences very hot days and cold nights.
What is the desert?
This is the source of all energy on earth.
What is the sun?
This cycle makes up the majority of the earth's surface and is vital for all ecosystems.
What is The Water Cycle?
Birth rate is equal to death rate in a population.
What is carrying capacity?
An interaction where there is energy transfer when one organism eats another.
What is Predation?
This biome includes oceans, reefs, and estuaries.
What is a marine biome?
Ecological pyramids can show the relationship between organisms regarding what three things?
What are biomass, energy and numbers?
This cycle is tracked by scientists because of the role it plays in the greenhouse effect.
What is the Carbon Cycle?
When a community arises in an area that has no soil.
What is primary succession?
Both parties benefit in this symbiotic relationship.
What is Mutualism?
This area has permanently frozen soil that does not allow for the growth of large plants.
What is Tundra?
Trophic levels track movement of this through an ecosystem.
What is Energy?
This cycle doesn't travel in gaseous form, but rather as a solid.
What is the Phosphorous Cycle?
Population growth that follows an S-shaped curve.
What is Logistic growth?
Mosquitoes are a great example of this type of symbiosis.
What is parasitism?
This area is usually dominated with tree species that shed their leaves in the winter months.
What is Temperate Deciduous Forest?
This type of diagram links all food chains in an ecosystem and is a more accurate depiction of feeding relationships than a linear food chain.
What is a Food Web?
The cycle of this molecule is generated primarily via photosynthesis.
What is Oxygen?
This type of population limiting factor includes natural disturbances such as pollution, volcanoes and wildfires that limit population density.
What is density-independent?
An organism introduced in a new ecosystem that results in disruption of balance within the ecosystem.
What is an invasive species?
This biome includes the lakes, rivers and ponds of the earth.
What is freshwater?
This group of organisms is always the primary trophic level.
What are producers?
These organisms are responsible for Nitrogen fixation.
What are bacteria?
This organism is considered a pioneer species in primary succession.
What is lichen?
This type of competition can lead to competitive exclusion and eventually extinction if left unchecked.
What is interspecific competition?