Chap. 4 Ecosystems and Communities Flashcards
Global warming
Increase in average temps on Earth influenced by human activity
Greenhouse effect
When greenhouse gases are trapped in atmosphere
Climate
How atmosphere behaves over long period of time e.g. average weather in an area over long time
Weather
short-term condition of atmosphere e.g. random rain in palm springs
Biotic factors
Living things within an ecosystem(animal/plants/bacteria) that affect environments
Abiotic factors
Non-living components(water/soil/atmosphere) that affect environments
Mutualism
:) :)
Parasitism
:) :(
Commensalism
:) :|
Symbiosis
interactions/relationships between species
primary succession
ecological succession that takes place in enviro that’s recently formed but lacks soil. happens after nuke/volcano/glacier outburst
Pioneer species
Primary: lichens->algae/fungi Secondary: species already present since previous ecosystem (grass)
Secondary succession
ecological succession that occurs after already established gets disrupted (fire/logging/disease)