bio
invasive species
alien species that is most likely to cause harm.
Pest
Organism that people consider harmful or annoying.
Element
substance composed of only one type of atom.
Polyatomic ion/atom
more then 2 particles joined together.
combustion
fuel + oxygen -> carbon dioxide + water and energy
Extinct
species that is close to extinction in all parts of Canada or in a large location.
open population
organisms are free to enter or leave
Atom
smallest part of an element.
period
elements in a horizontal row
factors that affect rates and reaction
temp, concentration, surface area, catalysts
Extirpated
Species that no longer exists in one part of Canada but can be found in others.
Closed population
organisms do not enter or leave
ion
charged particle
family
elements in vertical column.
Collision theory. We can make reaction go faster by...
increasing # of collisions, increasing # of effective collisions.
Threatened
Species that is at risk because endangered factors.
biotic potential
max number of offspring species could produce if resources were unlimited.
molecule
two or more elements bonded together. (can be the same or diff element).
metals
sit to left side of staircase. solid at room temp.
Value
Species that is at risk because of low or declining numbers.
population explosion
fast growth of a population
Compound
Two or more diff atoms bonded together.
non metals
sit to the right of the staircase.