Ecology
暂无描述。系统推荐的高质量记忆内容，适合每天坚持背诵学习。
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Define ecology
The study of interactions between organisms and their biotic and abiotic components
Define environment
Everything that affects an organism throughout its life as well as everything the organism affects
is BIOTIC living or non-alive? provide 5 examples:
Living. animals, singled-cell organisms, competition, symbiotic relationship + potential
is ABIOTIC living or non-living? provide 3 examples:
Non-living. temperature, disturbances, sunlight
what kind of interaction is Population? +1 example
A group of individuals of the same species living in a specific area at a specific time (forest of conifers)
what kind of interaction is individuals (species)? +1 example
Organisms that are able to breed with one another and produce fertile offspring (conifer trees)
what kind of interaction is community? +1 example
All of the individuals in all of the interacting populations at a given time (forest of conifers with rabbits living in it)
what is an Ecosystem?
A community of populations together with the abiotic factors that surround and affect it (forest of conifers with rabbits in the winter)
Give an example of Biotic-Biotic interactions?
SYMBIOSIS! - moose eating grass
Give an example of Abiotic-Biotic interactions?
sunlight on plants
Give an example of Abiotic-abiotic interactions?
river eroding rocks
Define biome
An area classified according to the species that live in that location.
Define biosphere
all the ecosystems in the world and their interactions
Define: Extinct
a species that no longer exists
Define: Extirpated
a species no longer existing in the wild in one area, but it is found elsewhere
Define: Endangered
species facing possible extirpation or extinction
Define: threatened
a species likely to become endangered if something isn’t done
Define: special concern
a species that may become threatened or an endangered species
What is birth potential?
max #/birth
What is capacity for survival ?
reach reproductive age
What is length of reproductive life?
age of sexual maturity and # of fertile years
What is biotic potential?
is the maximum number of offspring that a species could produce if resources are unlimited
What is carry capacity?
is the maximum number of individuals that can be supported by an ecosystem
What is Intraspecific competition
same species