Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
16 Cards in this Set
- Front
- Back
|
Exponential growth
|
growth rate constantly increases indefinitely = infinitive resources.
- lack of compe***ion; perfect conditions for growth |
|
|
Logistical growth
|
growth rate is limited and decreases as population size nears the capacity of the environment
populations can grow without limit |
|
|
Carrying Capacity
|
the maximum population a particular environment can sustain.
|
|
|
Density Dependent
|
factors that limit population growth and are related to the population density.
- comp between species for resources/ available space; disease |
|
|
Density Independent factors
|
factors that limit population growth and are unrelated to population density.
-weather: temp, wind, humidity; pollution, food/nutrient limitation |
|
|
Levels of life
|
Biosphere , Ecosystems , Communities , Populations , Organisms
|
|
|
Ecological Niche-
|
Everything an organism needs for existence ( abiotic/Biotic Factors)
|
|
|
Intraspecific Compe***ion
|
compe***ion for resources between species
|
|
|
interspecific compe***ion
|
compe***ion for resources between species
|
|
|
symbiosis
|
a close ecological relationship between the individuals of two (or more) different species
|
|
|
Mutualism
|
both species benefit form interaction
|
|
|
commensalism
|
one species benefits ad the other is not affected
|
|
|
parasites
|
live on and obtain energy from a host
|
|
|
pathogens
|
disease causing bacteria, viruses, fungi or protists
|
|
|
predation
|
one species kills and eats another species
|
|
|
herbivory
|
consumption of plants/ algae by an animal
|
