The Biosphere The Global ecosystem

Ecology Study of how organisms __________ with each other and their ______________ Helps us understand environmental issues - Such as ____________, ____________ _____________, ____________________

Vocabulary ___________ Factors - bacteria, animals, fungi, plants and other animals ___________ Factors - chemical and physical conditions (like water, wind, temperature, fire, sunlight, soil, )

Levels of Study Organism Population Community Ecosystem Biosphere

The Biosphere isnt the same everywhere Earth is divided into ____________ - or different environments where organisms live Temperate grassland Temperate Deciduous Forest Temperate Rain Forest

Habitats Each Habitat has its own characteristics What are the characteristics of a desert? What are the characteristics of grassland?

Abiotic Factors Sunlight Water Temperature Soil Wind Severe Disturbances

Sunlight What organisms will be affected by the amount of sunlight? Some need more sun and will grow taller _________ - some animals only hunt at night (raccoon, owl, bats) others are more out during the day Warming their body - reptiles need the sun to keep warm

Water The _____________ of water is important Too Much - everything can flood Too Little - drought

Temperature Here animals get a thicker coat in the winter or put on weight (like bears eat a lot before hibernation). React to temperature change for mating season

Soil _________ of Soil in an area will effect what ___________ can grow there

Wind Moves clouds, rain and thunderstorms

Severe Disturbances Some organisms have adapted to these sudden changes ___________________ - the pinecones wont open until there is a fire Some ________________ can grow from their roots (instead of from a seed)