the biomes of earth 34.3. whats a biome? biome - major types of ecosystems on land (not in the...
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The Biomes of EarthThe Biomes of Earth
34.334.3
What’s a Biome?What’s a Biome?
• Biome - Major types of ecosystems on land (not in the oceans)
• Similar biomes can exist in many places, but the animals that live there are different
• Biome - Major types of ecosystems on land (not in the oceans)
• Similar biomes can exist in many places, but the animals that live there are different
Biome DistributionBiome Distribution
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Tropical ForestTropical Forest
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Tropical ForestTropical Forest
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Tropical ForestTropical Forest
• Temperature usually stays between 93ºF and 68ºF
• Rainfall is more than 100 inches per year
• Trees are very tall• Produce 40% of the earth’s oxygen
• Temperature usually stays between 93ºF and 68ºF
• Rainfall is more than 100 inches per year
• Trees are very tall• Produce 40% of the earth’s oxygen
SavannaSavanna
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SavannaSavanna
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SavannaSavanna
• Type of grassland with shrubs and few trees
• Little rain falls • Found on the edges of rainforests• Warm temperatures year round
but has a very dry season and a very wet season
• Lions, zebras, elephants, giraffes
• Type of grassland with shrubs and few trees
• Little rain falls • Found on the edges of rainforests• Warm temperatures year round
but has a very dry season and a very wet season
• Lions, zebras, elephants, giraffes
Break!!Break!!
• In the margin of your handout answer the following questions• How much rain does a tropical rainforest
usually get in a year?
• True or false: Savanna are usually cold and have a cold wet season.
• Share your answers with another person at your table
• In the margin of your handout answer the following questions• How much rain does a tropical rainforest
usually get in a year?
• True or false: Savanna are usually cold and have a cold wet season.
• Share your answers with another person at your table
DesertDesert
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DesertDesert
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DesertDesert
• Animals must be able to get underground in order to survive
• Some deserts are cold deserts• Cover 1/5th of earth’s surface• Rainfall (or snow in cold deserts) is
around 15 cm per year
• Animals must be able to get underground in order to survive
• Some deserts are cold deserts• Cover 1/5th of earth’s surface• Rainfall (or snow in cold deserts) is
around 15 cm per year
ChaparralChaparral
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ChaparralChaparral
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ChaparralChaparral
• Found a little bit on most continents
• Hot and Dry• Looks like the “wild west”• Animals include coyotes, deer,
horned toads, praying mantis
• Found a little bit on most continents
• Hot and Dry• Looks like the “wild west”• Animals include coyotes, deer,
horned toads, praying mantis
Break!!Break!!
• In the margin of your handout answer the following questions• How much of the earth’s surface is covered
by a desert
• True or false: Chaparrals are found only on the South American continent.
• Share your answers with another person at your table
• In the margin of your handout answer the following questions• How much of the earth’s surface is covered
by a desert
• True or false: Chaparrals are found only on the South American continent.
• Share your answers with another person at your table
Temperate GrasslandTemperate Grassland
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Temperate GrasslandTemperate Grassland
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Temperate GrasslandTemperate Grassland
• Large, rolling terrains• Local climates determine what
plants grow there• Fires are common and stop large
forests from growing
• Large, rolling terrains• Local climates determine what
plants grow there• Fires are common and stop large
forests from growing
Temperate Deciduous Forest
Temperate Deciduous Forest
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Temperate Deciduous Forest
Temperate Deciduous Forest
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Temperate Deciduous Forest
Temperate Deciduous Forest
• 4 seasons - spring, summer, fall, winter
• Our area is a natural deciduous forest• Animals adapt by hibernating in the
winter • Plants lean towards the sun• Most land has been turned into farm
land• Soil is very fertile
• 4 seasons - spring, summer, fall, winter
• Our area is a natural deciduous forest• Animals adapt by hibernating in the
winter • Plants lean towards the sun• Most land has been turned into farm
land• Soil is very fertile
Break!!Break!!
• In the margin of your handout answer the following questions• In a temperate grassland, what stops large
forests from growing?
• True or false: We live in a temperate Deciduous Forest.
• Share your answers with another person at your table
• In the margin of your handout answer the following questions• In a temperate grassland, what stops large
forests from growing?
• True or false: We live in a temperate Deciduous Forest.
• Share your answers with another person at your table
Coniferous ForestConiferous Forest
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Coniferous ForestConiferous Forest
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Coniferous ForestConiferous Forest
• Pine trees = Coniferous Forest• Trees with needles• Don’t loose their needles in the winter
• Some animals hibernate in the winter, others fly south
• Many wildfires - trees have thick bark to protect themselves
• Pine trees = Coniferous Forest• Trees with needles• Don’t loose their needles in the winter
• Some animals hibernate in the winter, others fly south
• Many wildfires - trees have thick bark to protect themselves
TundraTundra
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TundraTundra
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TundraTundra
• Very cold• Not many plants grow here• If it starts to thaw out, it’s almost
like a marsh• Annual average temperature is -
18ºF• Animals include caribou, wolves,
foxes, bears, deer
• Very cold• Not many plants grow here• If it starts to thaw out, it’s almost
like a marsh• Annual average temperature is -
18ºF• Animals include caribou, wolves,
foxes, bears, deer
Break!!Break!!
• In the margin of your handout answer the following questions• What kind of trees grow in a Coniferous
Forest
• True or false: The tundra does not have many plants because it is so cold.
• Share your answers with another person at your table
• In the margin of your handout answer the following questions• What kind of trees grow in a Coniferous
Forest
• True or false: The tundra does not have many plants because it is so cold.
• Share your answers with another person at your table