The living Word - Chap 2 Flashcards
Speciation
Two species arise from one population and become separated by a physical barrier
Lithosphere
Earths crust and upper mantle
Stratosphere
Filters out most of sums ultraviolet radiation
Hydrosphere
Consists of the Earths water vapor in atmosphere
What sustains life on Earth?
- Energy from the sun
- Cycling of matter
- Gravity
Abiotic terrestrial components of an ecosystem
- Sunlight
- Temperature
- Wind
- Soil
- Fire frequency
Abiotic aquatic components of an ecosystem
- Water currents
- Light penetration
Chemosynthesis
Bacteria can convert compounds from their environment into complex nutrient compounds without sunlight
Detritivores
Live off of detritus parts of dead organisms
Divergent
Occur when 2 ocean plates are moving apart
Convergent
Collision of two plates
Transform
Two plates slide past each other
Fault point
Point at which movement occurs
Focus
Point where energy is released