Lec 1- intro Flashcards
1
Q
What is ecology?
A
- branch of science that studies the relationship b/w organisms interactions with each other and environment
- scientific study of interactions b/w organisms and environment in hierarchy of levels of organization: individuals, populations, communities, ecosystem
2
Q
biosphere
A
most complex
- all space occupied by living things on Earth
3
Q
ecosystem
A
region containing interacting biotic and abiotic factors
4
Q
community
A
population of species that occur together in same space and time
5
Q
population
A
individuals of the same species that co-occur in space and time
6
Q
individual
A
simplest
- living entities that genetically and physically discrete
7
Q
What is an ecosystem?
A
arbitrarily defined geographic volume containing interacting biotic and abiotic factors, connected to other ecosystems by series of inputs and outputs
- time dimension, and human can either be a part or apart from system
8
Q
abiotic factors
A
- non-living
water, light, temperature, air, salinity
9
Q
biotic factors
A
- living
plants, animals, fungi, bacteria
