1. Biomes

2. Biomes Biosphere- anywhere life is supported
This spans from several miles above the earth surface to deep down in the ocean. If microscopic organisms can live there it is part of the biosphere!
Climate-general weather over a long period of time.
Climate Includes seasonal changes

3. Biomes Biome- Large area of similar climate and life forms.
The climate of the air determines the plants which determine the animals

4. Terrestrial (Land) Biomes
Tundra- cold, dry, and treeless area around the northern Arctic
There is almost no Tundra in the Southern Hemisphere
Permafrost-soil that remains frozen to a depth of 1 meter
8-20 inches of precipitation fall each year
Animals-Arctic Hare, Arctic Fox, Lemmings
Plants-saxifrage/ Arctic Lychnis
World Map

5. Terrestrial Biomes-Forests
Coniferous Forest – Has cool temperatures and evergreen conifers
Taiga- where most of the coniferous forests are found
Temperatures from -10 to 57 degrees
Plants-hemlock, spruce, fir
Animals-elk, porcupines, red squirrels
World Map

6. Terrestrial Biomes-Forests
Deciduous Forest- has definite seasonal changes, lots of rain and moderate temperatures
Long growing season
Animals-white tailed deer, black bear, coyotes
Plants-maple tree, oak tree, elm tree
World Map

7. Tropical Rain Forest- hot and wet area located near the equator.
Terrestrial Biome
Tropical Rain Forest- hot and wet area located near the equator.
Approx. 60 inches of rain each year
Divided into 3 layers-ground/trees/canopy
Canopy-the uppermost layer of forest
Animals-sloth, gorilla, spider monkey
Plants-chocolate tree, coconut tree, orchid
World Map

8. Grasslands- needs little rain, but has rich soil
Terrestrial Biome
Grasslands- needs little rain, but has rich soil
Animals-bison, prairie dog, prairie hawk
Plants-prairie blazing star, sweet cone flower
World Map
Prairie- North American Grasslands (no trees)
Savanna- grasslands with a few scattered trees

9. Terrestrial Biome Desert- dry environment with less than 25 cm of rain
Plants- cacti, mesquite bushes
Nocturnal- active mainly at night
Because of the weather conditions, most animals are active at night
Animals-kangaroo rats, gila monster
World Map
Interactive Review Questions

10. Aquatic (Water) Biomes
Marine- salt water areas
Largest biome on earth
75% of earth’s surface
Inter-tidal Zone- covered by water at high tide and not at low tide
Organisms-periwinkles, snails, crab
Neritic Zone- extends from intert-idal zone to 200 meters in depth
Organisms- plankton, sea anemone
Oceanic Zone- extends from 200 meter to the bottom of the ocean
Organisms-blue whale, squid

11. Neritic Zone
Oceanic Zone

12. Aquatic (Water) Biomes
Freshwater Biome- lakes, streams, and rivers
Animals- carp, dragonflies, frogs
Plants- cattails, reeds
Estuaries- where freshwater flows into ocean water.
Very rich with nutrients

13. Questions Why is the earth’s climate an important factor in biomes?
What type of adaptations do organisms living in the deepest part of the ocean need?
Would a marine animal survive in a freshwater biome?
What would happen if a new plant or animal species were introduced to the biome?
Would it survive and how would it affect the ecosystem?
What is an ecosystem?

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