Actual
Community Terrestrial Terrestrial Aquatic
Test
Ecology Biomes (1) Biomes (2) Ecosystems
Questions
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Any abiotic factor or biotic factor
that restricts the numbers,
reproduction, or distribution of
organisms
Limiting Factor
The orderly and predictable
change that takes place after a
community of organisms has
been removed but the soil has
remained intact
Secondary Succession
The stable, mature community
that results when there is little
change in the number of species
Climax Community
The ability of any organism to
survive when subjected to abiotic
factors or biotic factors
Tolerance
The establishment of a
community in an area of exposed
rock that does not have any
topsoil
Primary Succession
The distance of any point on the
surface of Earth north or south
from the equator
Latitude
The average weather conditions
in an area, including temperature
and precipitation
Climate
Average Precipitation: 25-43
cm/yr; Temperature range: 10oC
– 40oC; Geographic location:
surrounds the Mediterranean Sea,
western coast of North and South
America, South Africa, and
Australia; Abiotic Factors:
summers very hot and dry,
winters are cool and wet
Temperate Woodland and
Shrubland
Average Precipitation: 15-26
cm/yr; Temperature range:high
o
o
o
o
20 C – 49 C, low: 2 C – 26 C ;
Geographic location: every
continent except Europe; Abiotic
Factors: varying temperatures,
low rainfall
Desert
Average Precipitation: 38-51
o
cm/yr; Temperature range: -68 C
– 32oC; Geographic location:
Northern part of North America,
Europe, and Asia; Abiotic
Factors: summers are short and
moist, winters are long, cold, and
dry
Boreal Forest
Average Precipitation: 75-150
o
cm/yr; Temperature range: -30 C
– 30oC; Geographic location:
South of the boreal forests in
eastern North America, eastern
Asia, and Europe; Abiotic
Factors: well-defined seasons,
summers are hot, winters are cold
Temperate Forest
Average Precipitation: 50-89
o
cm/yr; Temperature range: -40 C
– 38oC; Geographic location:
North America, South America,
Asia, Africa, and Australia;
Abiotic Factors: summers are hot,
winters are cold, moderate
rainfall, fires possible
Temperate Grassland
Average Precipitation: 50-150
cm/yr; Temperature range: 24oC
o
– 49 C; Geographic location:
Africa, South America, and
Australia; Abiotic Factors:
summers are hot and rainy,
winters are cool and dry
Tropical Savanna
Average Precipitation: 125-660
cm/yr; Temperature range: 20oC
– 34oC; Geographic location:
Central and South America,
southeastern Asia, western
Africa, and northeastern
Australia; Abiotic Factors: humid
all year, hot and wet
Tropical Rainforest
Average Precipitation: 130-180
cm/yr; Temperature range: 20oC
– 25oC; Geographic location:
Africa, Asia, Australia, and
Central America; Abiotic
Factors: rainfall is seasonal
Tropical Seasonal Forest
The area closest to the shore in a
lake with many different types of
organisms
Littoral Zone
The deepest areas of a large lake
which is much colder and lower
in oxygen than the other two
zones
Profundal Zone
An ecosystem that is formed
where a freshwater river or
stream merges with the ocean
Estuary
The area along the ocean floor
that consists of sand, silt, and
dead organisms
Benthic Zone
The deepest region of the ocean
with very cold water
Abyssal Zone
A student notices that her guppies
reproduce most when her fish tank
water is slightly alkaline. They stop
reproducing if the water becomes
acidic or if the water becomes too
alkaline. This is an example of ___
a. secondary succession
b. zones of tolerance
c. communities
d. intertidal zones
b. zones of tolerance
What single feature is primarily
responsible for the variation of
climate in different parts of the
world?
a. intensity of wind
b. angle of incoming sunlight
c. length of daylight
d. amount of precipitation
b. angle of incoming sunlight
Which of these species would
you classify as a profundal zone
organism?
a. frog
b. plankton
c. crayfish
d. floating water plants
c. crayfish
Which of these species might be
classified as a pioneer species?
a. ponderosa pine
b. choke cherry
c. aspen
d. lichen
d. lichen
In a climax community there is
very little change in the number
of ________________
Species