Chapter 3 Flashcards
Biotic
Abiotic
B- Living
A- Non living
Population
Number of inhabitants occupying an area
Ex: People in NYC
Snakes in Arizona
Ecosystem
Interaction of a community of organisms in an environment
Landscape Ecology
Studying and improving relationships between ecological processes in the environment & particular ecosystems.
Animals breath in ___ and breath out ___
O2 + H20
CO2 + H20
Plants breath in ___ and breath out ___
CO2 + Sun + H2O
O2 + H2O
Animals and plants inhaling and exhaling are _____ reactions to each other
Opposite
1st Law of Thermodynamics
- Energy can be transfered
- Energy cant be created or destroyed
- Total amount of energy in the universe is constant
2nd Law of Thermodynamics
Direction of heat transfer
Heat cannot spontaneously flow from a colder location to a hotter area - work is required to achieve this
Areas of a food web
Decomposer
Consumers (carnivore, omnivore, herbivore)
Producers
Number of Individuals vs. Trophic Levels
Hawk 1 - secondary consumer
Mouse 10 - primary consumer
Grass 10,000 - producer
Decomposers
Consumers
Producers
Decomposers- they breakdown decomposing organisms
Consumers- obtains food
Producers- make their own food
Lithosphere
Outter solid part of the earth
Hydrosphere
Layer of water at or near Earth’s surface
Atmosphere
Layer of gases surrounding the Earth