• The day-to-day condition of Earth’s atmosphere.

• The climate in a small area that differs from the climate around it.

• The ability to reproduce and survive under conditions that differ from an organism’s optimal conditions.

• Temperate zone estuaries that are dominated by salt-tolerant grasses.

• Tropical zone estuaries dominated by salt-tolerant trees.

• Tiny pieces of organic material that provide for organisms at the base of an estuary ecosystems.

• Possesses a calcium carbonate exterior.

• Regions of the coastal ocean contain these forests that grow as much as 50 cm per day.

• The prominent horizontal banding of organisms seen in the intertidal zone.

• Permafrost is a distinguishing feature of this particular biome.

• A complex of terrestrial communities that covers a large area and is characterized by certain soil and climate conditions, as well as similar dominant communities.

• The entire ocean floor occupies this particular zone.

• This zone comprises 90% of the surface area of the world’s oceans.

• A type of symbiosis in which one organism benefits and the other is harmed is called.

• A relationship in which one organism is benefited and the other is neither benefited not harmed is called.

• A form of symbiosis in which both organisms benefit.

• In a tropical rainforest, the dense covering formed by the leafy tops of tall trees is called the.

• The full range of physical and biological conditions in which an organism lives and the way in the organism uses those conditions is considered to be a

• Any relationship in which two organism live closely together is called.

• An interaction in which one organism captures and feeds on another organism is called.

• Succession that occurs on land where soil already exists.

• The first species to populate an area.

• The series of predictable changes that occur in a community over time.

• Refers to any necessity of life, such as water, nutrients, light, food, or space

• States that no two species can occupy the same niche in the same habitat at the same time.

• Contain a mixture of freshwater and saltwater. They are formed where rivers meet the sea.

• Non-living factors that shape an ecosystem

• Living factors that shape an ecosystem.

• Cacti are one of the dominant plants in this particular biome

• One would find deer, black bears, turkeys, and squirrels in this particular biome.

• One would find tigers and monkeys in this particular biome.

• Zonation occurs in this particular ocean region.