Unit 2: Earth's Biomes and Ecosystems
Terms in this set (24)
A large region characterized by a specific type of climate and certain types of plant and animal communities.
A region found at far northern and far southern latitudes characterized by low-lying plants, a lack of trees, and long winters with very low temperatures.
A region of evergreen coniferous forest below the arctic and subarctic tundra regions. It gets a lot of snow.
Are evergreens that have pines and last all season
Is any large region that gets very little rain each year.
land covered with herbs (as grass and clover) rather than shrubs and trees.
Shedding the leaves annually, as certain trees and shrubs.
land or areas (as marshes or swamps) that are covered often with shallow water or have soil saturated with moisture
an increase in the amount of nutrients, such as nitrates. in a marine or aquatic ecosystem
An area where salt water mixes in to salt water from the ocean
anything having mass and taking up space
the ability to cause change
Law of conservation of energy
the law states that energy cannot be created or destroyed or can be changed from one thing to another
Law of conservation of mass
Mass cannot be created or destroyed in ordinary chemical and physical changes
graphical model of energy flow in a community. The different levels represent different groups of organisms that might compose a food chain. From the bottom-up, they are as follows: Producers — bring energy from nonliving sources into the community.
The continuous movement of water between the atmosphere, the land, the oceans, and living things
the cycling of nitrogen between organisms,soil,water, and the atmosphere
the movement of carbon from the nonliving environment into living things and back
Species that colonizes an uninhabited area and starts a process of succession
replacement of one type of community by another at a single location over a period of time
number and variety of organisms in a given area during a specific period of time
increase in the proportion of a population living in urban areas rather than rural areas
the careful and responsible management of a resource
wise use of and preservation of natural resources
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