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APES Vocabulary Overview 1

Name____________________________________

Date_________________________ Period_______
Across
he erosion or disintegration of rocks, building materials, etc., caused by chemical reactions
the region draining into river system or other body of water
Soil layer that is formed of weathered rock, with some organic material; often referred to as topsoil
Smallest soil particle
a long, relatively narrow island running parallel to the mainland-and protect the coast from erosion by surf and tidal surges.
the cultivation of a single crop
an underground layer of porous rock, sand, or other material that allows the movement of water between layers of nonporous rock or clay.
a marsh or swamp
a species whose very presence contributes to an ecosystem's diversity and whose extinction would consequently lead to the extinction of other forms of life.
the process by which the concentration of toxic substances increases in each successive link in the food chain
any weathering that's caused by the activities of living organisms.
Process in green plants that release oxygen as a byproduct
the A layer of soil is often referred to as ______
irrigation where water through tubes onto the soil at the base of each plant
the amount of sugar that the plants produce in photosynthesis and subtracting from it the amount of energy the plants need for growth maintenance, repair, and reproduction.
Caused by irrigation because salts brought in with the water remain in the soil as water evaporates
Largest soil particle
the uppermost horizon of soil
the practice of alternating the crops grown on a piece of land -
Down
the buildup of a toxic chemical the tissues of a living organism
when ecological succession begins in a virtually lifeless area, such as the area behind a moving glacier
a stable, mature community that has reached equilibrium
the dark, crumbly, nutrient-rich material that results from the decomposition of organic material
Pertaining to factors or things that are nonliving.
the site at which an oceanic plate is sliding under a continental plate
part of Hadley cells
organisms in the first stages of succession
the fraction of solar energy that is reflected back into space
releasing water vapor, especially through the stomata of plant tissue or the pores of the skin
the amount of energy that plants pass on to the community of herbivores in an ecosystem
A layer of soil
the process of burning
Medium sized soil particle
soil composed of a mixture of sand, clay, silt-- best for growing plants