Water, Life, And Human Body Flashcards
What is an intermolecular force?
Force that holds molecules together
What makes water polar?
The molecule has lopsided charges
What is Cohesion?
An intermolecular force between LIKE molecules
What is adhesion?
An intermolecular force between UNLIKE molecules
What is surface tension?
Characteristic of water caused by water molecules bonding with each other at the surface
What is capillary action?
Characteristic of water caused by cohesion and adhesion that allows water to move against the force of gravity in a small tube
Other characteristics of water (4)
Universal solvent
High specific heat
Ice is less dense than water
Solid, liquid, and gas at Earthly temperatures
Why is water considered the universal solvent?
Dissolves more than anything in the universe
Seven characteristics of life
Uses energy Reproduce Grows Has cells Different levels of organization Respond to its evironment Adapts to its environment
What does it mean to be a characteristic of life?
Something you need to be alive
Levels of organization to build a multi-cellular organism? (9)
Atoms Molecules Macromolecules Organelles Cells Tissue Organ Organ system Organism
Higher levels of organization when interacting with environment? (5)
Population- same species interacting
Community- other living things interacting
Ecosystem- living and non-living things interacting
Biome- interacting with other Ecosystems
Biosphere- all biomes on Earths surface interacting
What is biology?
Study of life
What is an organism?
A living person with all characteristics of life
What is anatomy?
Study of structure