World BiomesWorld BiomesPresented By: Ms. ShortPresented By: Ms. Short

For 7For 7thth grade Life Sciencegrade Life Science

What is a Biome?What is a Biome?

�� Large geograpic areaLarge geograpic area

�� Contains similar climate conditionsContains similar climate conditions

�� Contains similar plant, animal, soil Contains similar plant, animal, soil

and soil organismsand soil organisms

Biomes are NOT ecosystemsBiomes are NOT ecosystems……..

�� An ecosystem is how living things An ecosystem is how living things

interact with each other and interact interact with each other and interact

with their environment.with their environment.

�� Ecosystems are much smaller than Ecosystems are much smaller than

biomes.biomes.

What are the different Biomes?What are the different Biomes?

�� TundraTundra

�� Coniferous Forest (Taiga)Coniferous Forest (Taiga)

�� Deciduous ForestDeciduous Forest

�� GrasslandGrassland

�� SavannahSavannah

�� DesertDesert

�� Tropical Rainforest Tropical Rainforest

�� MarineMarine

TundraTundra

�� Covers about 1/5 of the EarthCovers about 1/5 of the Earth’’s land s land

surfacesurface

�� Located mostly in the Northern Located mostly in the Northern

HemisphereHemisphere

TundraTundra

�� Coldest and driest biome on EarthColdest and driest biome on Earth

�� Very little vegetation Very little vegetation

�� Animals native to the tundra: polar Animals native to the tundra: polar

bear, musk ox, caribou, artic foxbear, musk ox, caribou, artic fox

Coniferous Forest (Taiga)Coniferous Forest (Taiga)

�� Located in the northern parts of Located in the northern parts of Alaska, Canada, Asia, and EuropeAlaska, Canada, Asia, and Europe

�� The tundra is located above it and The tundra is located above it and the deciduous forest in the parts the deciduous forest in the parts below it. below it.

�� Contains bogs and marshesContains bogs and marshes

Coniferous Forest (Taiga)Coniferous Forest (Taiga)

�� Few species of vegetation. Contains Few species of vegetation. Contains

mostly conifers.mostly conifers.

�� Native animals include: wolves, deer, Native animals include: wolves, deer,

bears, lynx, cougars, moose, etc.bears, lynx, cougars, moose, etc.

Deciduous ForestDeciduous Forest

�� Located primarily in the eastern part Located primarily in the eastern part of the United States, Canada, of the United States, Canada, Europe, parts of Russia, China, and Europe, parts of Russia, China, and JapanJapan

�� Have a moderate climate and all four Have a moderate climate and all four seasons. seasons.

Deciduous ForestDeciduous Forest

�� The leaves fall off the trees in the The leaves fall off the trees in the winter. winter.

�� Contains shrubs, vines, wildflowers, Contains shrubs, vines, wildflowers, ferns and mossesferns and mosses

�� Animals include:black bear, squirrels, Animals include:black bear, squirrels, raccoons, blue jays, finches, etc.raccoons, blue jays, finches, etc.

Deciduous ForestDeciduous Forest

�� Brown Bear hunting in deciduous Brown Bear hunting in deciduous

forest:forest:

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Z4systdZcZ4systdZc

GrasslandGrassland

�� Transition land between forest and Transition land between forest and

desert biomes.desert biomes.

�� Wide range of temperatures (Wide range of temperatures (--40 to 40 to

7070°°F). F).

GrasslandGrassland

�� Plants include wild flowers and mixed Plants include wild flowers and mixed

grasses.grasses.

�� Contains a variety of animals: Bison, Contains a variety of animals: Bison,

coyotes, jack rabbits, pronghorn, coyotes, jack rabbits, pronghorn,

ferrets, etc. ferrets, etc.

SavannahSavannah

�� Located in the Southern Hemisphere Located in the Southern Hemisphere

�� Covers over half the surface of AfricaCovers over half the surface of Africa

�� Found in warm or hot climatesFound in warm or hot climates

SavannahSavannah

�� Contains grassland with a few Contains grassland with a few

scattered trees.scattered trees.

�� Animals include: giraffes, zebras, Animals include: giraffes, zebras,

cheetahs, elephants, etc. cheetahs, elephants, etc.

DesertDesert

�� A piece of land, no matter hot or A piece of land, no matter hot or

cold, that has small amounts of cold, that has small amounts of

precipitation.precipitation.

�� Usually located in areas near the Usually located in areas near the

equator.equator.

DesertsDeserts

�� Four kinds of Four kinds of

deserts:deserts:

•• Hot, dry desertsHot, dry deserts

•• Cold deserts Cold deserts

•• Semiarid desertsSemiarid deserts

•• Coastal desertsCoastal deserts

Desert Desert

�� Most people associate the desert Most people associate the desert

with being hot.with being hot.

�� Hot DesertHot Desert Plants: cacti, shrubs, Plants: cacti, shrubs,

ocotillo ocotillo

�� Hot DesertHot Desert Animals: hawks, falcons, Animals: hawks, falcons,

snakes, lizards, coyotes, scorpionssnakes, lizards, coyotes, scorpions

Tropical RainforestTropical Rainforest

�� Almost all are near the equatorAlmost all are near the equator

�� Has yearHas year--round warmth and plenty round warmth and plenty

of rainfall.of rainfall.

Tropical RainforestTropical Rainforest

�� Contains more species of plants and Contains more species of plants and

animals than any other area in the animals than any other area in the

world.world.

MarineMarine

�� Covers Covers ¾¾ of the Earthof the Earth’’s surfaces surface

�� Ocean is warmer at the equator and Ocean is warmer at the equator and

colder at the polescolder at the poles

MarineMarine

�� Contains many organisms including Contains many organisms including

green algae, brown algae and red green algae, brown algae and red

algaealgae

�� Native animals: whales, fish, Native animals: whales, fish,

crustaceans, coral, spongescrustaceans, coral, sponges…….to .to

name a fewname a few

MarineMarine

�� Blue Whale in marine biome:Blue Whale in marine biome:

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g9BXyL1Fsg9BXyL1Fs

SOLsSOLs

�� LS.10LS.10 The student will investigate and The student will investigate and

understand how organisms adapt to biotic and understand how organisms adapt to biotic and

abiotic factors in an ecosystem. Key concepts abiotic factors in an ecosystem. Key concepts

include:include:

•• a) differences between ecosystems and biomesa) differences between ecosystems and biomes

•• b) characteristics of land and marine ecosystemsb) characteristics of land and marine ecosystems

•• c) adaptations that enable organisms to survive within a c) adaptations that enable organisms to survive within a

specific ecosystem*specific ecosystem*

*(adaptations will be discussed during powerpoint presentation)*(adaptations will be discussed during powerpoint presentation)