Ecosystem

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Ecosystem
Chapter 26 Review
___________ refers to the normal changes in the types of
species that live in communities?
Succession
A(n) __________ is a group of organisms found in a stable
Stage of succession.
climax community
Deciduous trees are dominant in the __________.
temperate deciduous forest
The average temperature in _________ is between 9 degrees
C and 12 degrees C.
temperate rainforest
__________ are the most biologically diverse biomes in the
world.
Tropical rain forest
A(n) __________ is an area where fresh water meets the ocean.
estuary
What are tundra and desert examples of?
biomes
What is a hot, dry biome called?
desert
Where would organisms that are adapted to live in slightly
salty water be found?
estuary
Which biome contains mostly frozen soil call permafrost?
tundra
A new island is formed from a volcanic
eruption. Which species probably would
be the first to grow and survive?
lichens
What would the changes in communities that
take place on a recently formed volcanic
island best be described as?
primary succession
What is the stable end stage of succession?
climax community
average weather pattern in an area over a long period of time
climate
gradual changes that occur in the types of species that
live in an area
ecological succession
development of new communities in newly
created land areas without any soil
Primary succession
takes place in an area with soil that was once the
home of living organisms
Secondary succession
an area that has reached a stable stage of
ecological succession
Climax community
large geographic areas with similar
climates and ecosystems
biomes
soil layer below the thawed surface in
tundra and taiga biomes
permafrost
foundation of open ocean food chain
plankton
area where a river meets the ocean
estuary
All of the following are likely areas for
secondary succession EXCEPT ______.
a.
b.
c.
d.
flooded land
exposed coral reefs
abandoned logging areas
the land after a forest fire
B
A __________ biome is a cold, dry area where
the sun barely rises during the winter.
tundra
Temperate deciduous forest have all of
the following EXCEPT _________.
a. poor soil for plants
b. four seasons
c. trees that lose leaves in autumn
d. precipitations throughout the year
A
The first species to inhabit a new area are
called ________ species.
pioneer
During primary succession, ________ begins to form
as lichens and the forces of erosion help break
down rocks.
soil
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