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Biology 007 > Lecture 30: Ecology I > Flashcards

Lecture 30: Ecology I Flashcards

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1
Q

What does ecology translate to?

A

home study

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2
Q

What is ecology?

A

It is the study or interactions between organisms and their environment

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3
Q

What are the levels of organization in ecology?

A
  1. organism
  2. population
  3. community
  4. ecosystem
  5. landscape
  6. biosphere
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4
Q

What is an organism?

A

An individual living system

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5
Q

What is a population?

A

A group of individuals of the same species living in the same area

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6
Q

What is a community?

A

Populations of different species living in the same area

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7
Q

What is an ecosystem?

A

A community of organisms and physical factors in the area

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8
Q

What is a landscape?

A

A mosaic of connected ecosystems

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9
Q

What is a biosphere?

A

All ecosystems and landscapes on the planet

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10
Q

What is biotic?

A

Living components

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11
Q

What is abiotic?

A

Non-living components

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12
Q

What is climate?

A

Long term prevailing weather conditions in an area

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13
Q

What is climate considered?

A

Abiotic

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14
Q

What is weather?

A

Short term atmospheric conditions

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15
Q

What is climate?

A

An average atmospheric conditions over time

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16
Q

What is pressure?

A

Pressure exerted by weight of air molecules

17
Q

What happens due to air pressure?

A

The sun warms the land and the hot air expands. Additionally, air accumulates high in the atmosphere and there is high pressure above the land. Also, the oceans cool and the cold air condenses and sinks. In addition, the air molecules lose form high atmosphere and there is low pressure above the ocean.

18
Q

What are some factors that are a part of climate?

A
  1. weather
  2. climate
  3. air pressure
  4. wind
  5. zonal precipitation patterns
19
Q

What is wind?

A

Horizontal movement of air. Air flows from area of high pressure to an area of low pressure.

20
Q

What are zonal precipitation values?

A
  1. 0 degrees lat.= very wet
  2. 30 degrees lat.=dry
  3. 60 degrees lat.=wet
  4. 90 degrees lat(poles)=very dry
21
Q

What are biomes?

A

major life zones

22
Q

What are some features of tropical rainforests?

A
  1. equatorial, subequatorial
  2. high temp
  3. high precipitation
23
Q

What are some features of savanna’s?

A
  1. equatorial, subequatorial
  2. grassland
  3. warm temp
  4. moderate precipitation
24
Q

What are some features of deserts?

A
  1. 30 degree lat
  2. high temp
  3. low precipitation
25
Q

What are some features of chaparral?

A
  1. ~30 degree lat
  2. shrubland
  3. warm temp
  4. moderate precipitation
26
Q

What are some features of temperate broadleaf forest?

A
  1. ~30-60 degree lat
  2. temperate deciduous forest
  3. warm temperature
  4. high precipitation
27
Q

What are some features of temperate grasslands?

A
  1. ~60 degree lat
  2. cold temp
  3. moderate precipitation
28
Q

What are some features of coniferous forest?

A
  1. ~60 degree lat
  2. taiga
  3. cold temp
  4. high precipitation
29
Q

What are some features of tundra’s?

A
  1. ~80 degree lat
  2. permafrost
  3. cold temp
  4. low precipitation
30
Q

What is permafrost?

A

Where it is permanently frozen underground and for hundreds meters deep

31
Q

What are some features of steppe/velds?

A
  1. ~60 degree lat
  2. grasslands
  3. cold temps
  4. low precipitation
32
Q

What are some conclusions made about biomes?

A
  1. environment determines distribution of plant species in the biosphere
  2. distribution of plant species determines the community structure of the animals

Biology 007 (40 decks)

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