Consists of basic producers. An example are plants.
Autotrophs
High content of organic matter and rich in humus.
Black/Dark Brown Soil
How have scientists determined the make up of Earth's core?
Remote sensing
Study of landforms and their origins.
Geomorphology
The total amount of living material in an ecosystem.
Biomass
High in iron.
Red Soil
Earth's inner core
Made up of iron and nickel.
What landform is at Crater Lake, Oregon?
Depression
Is the creation of new organic matter in the form of photosynthesis.
Primary production
Soil horizons in order
O, A, E, B, C, R
The boundary between Earth's crust and mantle.
Mohorovicic discontinuity
Has the least violent type of eruption.
Shield Volcano
Eat living material and are called consumers.
Heterotrophs
Soil with the smallest diameter particles
Clay
Two most common elements in Earth's curst by weight
Oxygen and Silicon
Is a human or natural agent of erosion that changes or affects the landscape.
Geomorphic agents
What happens after each successive trophic level?
Biomass decreases
Change the soil by taking soil in their digestive tracts. Helps mix and change the soil.
Earthworms
The theory that the lithosphere is broken up into large plates that move and then rejoin; considered the unifying theory of geology.
Plate Tectonic Theory
A liquid's resistance to flowing.
Viscosity