Lec 1- intro Flashcards

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1
Q

What is ecology?

A
  1. branch of science that studies the relationship b/w organisms interactions with each other and environment
  2. scientific study of interactions b/w organisms and environment in hierarchy of levels of organization: individuals, populations, communities, ecosystem
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2
Q

biosphere

A

most complex
- all space occupied by living things on Earth

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3
Q

ecosystem

A

region containing interacting biotic and abiotic factors

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4
Q

community

A

population of species that occur together in same space and time

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5
Q

population

A

individuals of the same species that co-occur in space and time

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6
Q

individual

A

simplest
- living entities that genetically and physically discrete

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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

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8
Q

abiotic factors

A
  • non-living
    water, light, temperature, air, salinity
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9
Q

biotic factors

A
  • living
    plants, animals, fungi, bacteria
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