Estimate of the area of land and water required to sustain one person​.

The marine ecosystem between low and high tide lines.

Specific atmospheric conditions over a short period of time at a specific location​.

A tick living on and benefiting from a human scalp.

Large regions characterized by unique climate characteristics & distinctive communities ​

Airborn chemicals that capture and hold heat within Earth's atmosphere

Where the river meets the sea.

Prevailing long term weather conditions over a large region​

A shrimp gets food from the teeth of an eel while the eel has the benefit of receiving this cleaning.

An inherited characteristic that enables an organism to survive and reproduce better than individuals without this characteristic​.

As heat is absorbed by the ocean, water molecules expand and cause this phenomenon to occur.

Water beyond the continental shelf is considered a part of this region.

long-term shifts in temperatures and weather patterns

A barnacle that lives on a whale gets habitat area and nutrients from the water as the whale swims while the whale is unaffected.

Interaction in which one population benefits, while the other is unaffected​.

Ocean acidification occurs due to excess amounts of this greenhouse gas being absorbed by the ocean.

The zone of the ocean below 200m where light does not reach.

How heat gets trapped close to Earth's surface.

Obtains energy from eating other organisms ​

Rate of biomass (energy) generation by plants & some bacteria in an ecosystem .

The goal of this is to maintain the productivity of Earth's ecosystems indefinitely through the responsible management and conservation of Earth's resources.

A process by which organisms use chemical reactions to produce sugars and energy, typically in the absence of sunlight.

Since the 1800s human activities have been the main driver of the expedited rate of global climate change, primarily due to burning of these.

Chemical substances found in every living thing on Earth​ that get cycled through a system.

Describes the feeding relationships within a community​