1. Biomes Terrestrial based on types of climate patterns
Tundra: extremely cold temperatures; precipitation as snow
Adaptations- animals with thick fur, dwarf plants
Permafrost- layers of permanently frozen ground
Taiga: long severe winters and shot dry summers
Adaptations- animals may migrate
Characterized by evergreens

2. Biomes Terrestrial (cont.) Desert: hot and dry
Adaptations- organisms must have ways to conserve water ex. nocturnal animals
Characterized by having lots of reptiles
Grasslands: experience a wet and dry season
Adaptations: lots of grazing animals
Soil rich with humus, grasses form a continuous layer of sod

3. Biomes Terrestrial (cont.)
Deciduous Forest: abundant precipitation and 4 distinct seasons
Adaptations- trees lose leaves in winter
Tropical Rain Forest: warmest and wettest biome, found near the equator
Adaptations- most life in the canopy to reach sunlight
Forest characterize by layers

4. Biomes of the World

5. Critical Questions
Which aquatic biome contains a mixture of salt and water and fresh water?
Which biome do we live in?
Succulent plants which store water in their tissues may be found in what biome?
In which biome would you find the mist diversity of plant and animal life?

6. Biodiversity and Conservation
Cause of biodiversity loss
Forests cut down for timber, farming, pasture, development
Wetlands drained
Pesticides contamination (Rachael Carson wrote Silent Spring) a commentary on the impact of pesticides
Ex. DDT moves up the food chain

7. Biodiversity and Conservation
Effect
Endangerment or extinction of plants and animals (many species are affected by complex interdependencies)
Loss of valuable medicinal or food plants, and other species that may be potentially useful to humanity

8. Biodiversity and Conservation
Solution: Conservation
Protect habitat of endangered species
Don’t purchase products made from endangered species
Ex. Ivory, tropical woods
Don’t use pesticides