apes vocab unit 2 Flashcards
Nitrification
Nitrification: Take nitrite and turning it into nitrate NO3
Nitrogen fixation
Nitrogen Fixation: Taking nitrogen in air (N2) and changing to nitrite (NO2) or ammonia (NH3)
Assimilation
Assimilation: Organisms use nitrate and ammonium to make DNA and amino acids.
Ammonification
Ammonification: Taking NH3 and turning it into NH4.
Denitrification
Denitrification: Taking nitrate and ammonium and turning it back into nitrogen (N2) in the air.
sink
Sink: a storage place of an element
source
Source: a process that releases an element.
primary succession
Primary Succession: community change that occurs with new land formation:
lichen → moss → small shrubs → small trees → large trees → climax community
secondary succession
Secondary Succession: community change that occurs with land already formed.
bottleneck effect
Bottleneck Effect: cut down of genetic diversity due to loss of individuals in a population.
non native species
Non-native species: a species that is not known historically in an area. Ex: cane toads in Australia
endemic
native to the area/habitat
endemism is the state of being a species found in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also found elsewhere. W
indicator specie
indicator species, organism—often a microorganism or a plant—that serves as a measure of the environmental conditions that exist in a given locale. For example, greasewood indicates saline soil; mosses often indicate acid soil