systems/feedback loops/spheres
Definition of open system:
System where matter and energy can enter/leave freely
Photosynthesis:
Plants absorb sunlight and CO2 from the atomsphere to make sugars
Precipitation:
Water falling to the ground
Importance of nitrogen to living things:
Proteins and DNA
Definition of force:
Push or pull on a object
Definition of closed system:
System where matter isn’t able to enter/leave but SOME energy is able to
Decomposition:
The decay of plants and animals, uses oxygen and releases CO2
Transpiration:
Water in plants changing to gas
How does a dead zone occur?
Bacteria consumes the plants, absorbing oxygen, leading to dead zones
What’s a balanced force net force:
Forces that are equal in size but opposite in direction
Definition of a positive feedback loop:
Reinforcing relationships
Combustion:
Burning fossil fuels, releases CO2
Condensation:
Gas turning to liquid
How is nitrogen transferred within the biosphere:
Humans and animals consume plants
What is an unbalanced net force:
Force applied to an object in varying sizes and directions
Definition of negative feedback loops:
Balancing relationships
Respiration:
Release of CO2 by breathing by animals, plants and most bacteria
Infiltration:
Water moving into ground
What does dead zones cause?
Dead fish and dead plants
Definition of gravity:
Attractive force between 2 objects
Definition of hydrosphere:
Water on the earth in all phrases
Consumption (food chain):
Humans and animals get their carbon by eating plants
Runoff:
Water traveling across a surface
Largest reservoir:
Atomsphere
What two things impact gravitational force?
Distance and mass