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Biomes. Biomes. Biosphere- anywhere life is supported This spans from several miles above the earth’s 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.
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Biomes • Biosphere- anywhere life is supported • This spans from several miles above the earth’s 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
Biomes • Biome- Large area of similar climate and life forms. • The climate of the area determines the plants which determine the animals
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
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
Terrestrial Biomes-Forests • Deciduous Forest- has definite seasonal changes, lots of rain and moderate temperatures • Where I live • Long growing season • Animals-white tailed deer, black bear, coyotes • Plants-maple tree, oak tree, elm tree • World Map
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
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
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
Aquatic (Water) Biomes • Marine- salt water areas • Largest biome on earth • 70% 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
Neritic Zone Oceanic Zone
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
Questions • Why is the earth’s climate an important factor in biomes? • What type of adaptations to 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 specie were introduced to the biome? • Would it survive and how would it affect the ecosystem? • What is an ecosystem?
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