Part of Earth in which life exists including land, water, and air or atmosphere
Biosphere
All the organisms that live in a place together with their nonliving enviroment
Ecosystem
All of the rock at and below Earth's surface
Geosphere
dense covering formed by the leafy tops of tall rainforest trees
Canopy
Sunlight region near the surface of water
Photic Zone
Ecology
Any living part of the environment with which an organism might interact.
Biotic factor
Average year- to- year conditions of temperature and precipitation in an area over a long period of time
Climate
Layer in a rainforest found underneath the canopy formed by shorter trees and vines
Understory
Dark layer of the oceans below the photic zone where sunlight does not penetrate
Aphotic zone
A group of similar organisms that can breed and produce fertile offspring
Species
Abiotic Factor
Day-to-day atmosphere conditions, including temperature, precipitation, and other factors.
Weather
Material formed from decaying leaves and other organic matter
humus
Microscopic organisms that live in aquatic environments; includes both phytoplankton and zooplankton
Plankton
Group of individuals of the same species that live in the same area
Population
Thing layer of gases that surround Earth
Atmosphere
The process in which certain gases (carbon dioxide, methane, and water vapor) trap sunlight energy in Earth's atmosphere as heat
Greenhouse effect
Biome with long cold winters and a few months of warm weather; dominated by coniferous evergreens; also called boreal forest
taiga
Ecosystem in which water either covers the soil or is present at or near the surface for at least part of the year
wetland
Assemblage of different population that live together in a defined area
Community
All of the water--- salt water and fresh water, in the form of liquid, ice, or vapor--- above and below Earth's surface and in the atompshere
Hydrosphere
a group of ecosystems that share similar climates and typical organisms
Biome
Layer of permanently frozen subsoil found in the tundra
Permafrost
A kind of wetland formed where a river meets the ocean
Estuary