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Flashcards in Ecology Deck (44)
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1

What is ecology

Study of how organisms relate to one another and to their environments

2

What is a population

Group of same species living together

3

What is a biosphere

All ecosystems on earth

4

What are 4 key environmental factors

Temperature
Water
Sunlight
Soil

5

What is the Coriolis effect

Counterclockwise in northern hemisphere and clockwise in Southern Hemisphere

6

What does the coriolis effect affect?

Currents and winds around the world

7

What creates real deserts

Rain shadow effect

8

What are monsoons

Massive shifts in season winds

9

What are microclimates

Special climate conditions in small areas

10

The global concentration of carbon dioxide increasing and temperatures rising has a direct impact on the worlds

Climate

11

CO2 and other gases that absorb longer wavelengths of inflated light and radiated heat from earth are responsible for

The greenhouse effect

12

Three quarters of the earth is covered by what ecosystems

Marine ecosystems

13

Periodic disturbances in ocean currents by warming of waters is known as

El Niño

14

The worlds greatest fisheries occur in shallow waters over

Continental shelves

15

40% of the worlds photosynthetic productivity occurs in

Phytoplankton

16

What is a characteristic of larger lakes in temperate regions

Thermal stratification

17

How do dead zones form

Dead zones form when excess nutrients enter coastal waters and fertilize blooms of algae

18

What is eutrophication

The enrichment of nutrients in an environment

19

How does the conveyor system of circulation work

Water alternates from warm to cold and transports from the surface to the bottom through mixing

20

What is thermocline

Oxygen gets to bottom of deep lakes and ocean mostly from wind driven mixing

21

What are the most diverse

Coral reefs

22

Where does most oxygen come from

The ocean

23

What biome does survival depend on water conservation

Desert

24

Prairie is another name for what?

Temperature grassland

25

What biome contains half of earths plants and animals

Tropical rain forest

26

What is the abrupt change in water temperature of large lakes called

Thermocline

27

What is not dependent on sunlight as a source of energy

Benthic zone

28

What do bacteria living symbiotically inside animals clustered around deep sea hydrothermal vents carry out?

Chemosynthesis

29

What is the area of the ocean that is along the coasts of continents and islands less than 300 meters below surface called

Neritic zone

30

Photosynthetic organisms of open ocean are confined to?

Few hundred meters