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Vocabulary Chapter 2: Lesson 3
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Biome
Climate
Desert
Rain forest
Emergent layer
Canopy
Understory
Grassland
Savanna
Deciduous tree
Boreal forest
Coniferous tree
Tundra
Permafrost
biome
Group
of ecosystems with
similar climates and organisms
Example:6 major biomes are
desert, forest, boreal forest, and
tundra
climate
o
The average
annual
temperature
and amount of
precipitation
desert
o
o
An area that receives
less than 25 cm. of
rain per year
Ex. Gobi: Cold; New
Mexico and Nevada;
Namib in Africa;
Rain forest
oForests
with lots of rain
fall all year round
Ex.: Amazon rainforest;
Pacific North West USA
Emergent Layer
oTallest
layer of the
rain forest (70
meters)
canopy
oLeafy
roof under the
emergent layer(50
meters)
understory
oUnder
the canopy
(15 meters) Plants
grow well in the
shade.
Grassland
oPrairies
found in the
mid latitudes that has
mainly grasses and
other plants and get
a little more rain than
deserts.
savanna
oGrasslands
that are
located closer to
the equator than
prairies that receive
more rain.
Deciduous Trees
oTrees
that shed their
leaves and grow
new ones each
year.
Boreal forests
oDense
forests found
in the upper regions
of the Northern
Hemisphere
Coniferous Trees
oTrees
that produce
their seeds in cones
and have needle
leaves
Tundra
oExtremely
cold and
dry climate
permafrost
oFrozen
soil all year