The Biomes of Earth 34.3. Whats a Biome? Biome - Major types of ecosystems on land (not in the...

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

QuickTime™ and aTIFF (Uncompressed) decompressor

are needed to see this picture.



Tropical ForestTropical Forest



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



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.


DesertDesert



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



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.


• 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.


Temperate GrasslandTemperate Grassland



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






• 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.


• 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.


Coniferous ForestConiferous Forest



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



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.


• 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.


The Biomes of Earth 34.3. Whats a Biome? Biome - Major types of ecosystems on land (not in the...

Documents

Transcript of The Biomes of Earth 34.3. Whats a Biome? Biome - Major types of ecosystems on land (not in the...