How are species on our planet How are species on our planet connected?connected?

Layers of our PlanetLayers of our Planet

GeosphereGeosphere:: solid part of solid part of earth that consists of soil, earth that consists of soil, rock and sediments.rock and sediments.

AtmosphereAtmosphere: mixture of : mixture of gases surrounding earth.gases surrounding earth.

HydrosphereHydrosphere: All water : All water found on earth.found on earth.

BiosphereBiosphere: All areas on : All areas on the planet that life can the planet that life can exist.exist.

How does Energy flow in the How does Energy flow in the Ecosystem?Ecosystem?

ENERGY PYRAMID

Food Chain

Food Web

ENERGY CYCLEENERGY CYCLE

ProducersProducers: Make their own food (plants): Make their own food (plants)ConsumersConsumers: Consume or eat their food : Consume or eat their food

(animals)(animals)HerbivoresHerbivores: Eat only plants: Eat only plantsCarnivoresCarnivores: Eat only animals: Eat only animalsOmnivoresOmnivores: Eat both plants and animals: Eat both plants and animalsDecomposersDecomposers: Break down dead : Break down dead

organisms, absorb their food (bacteria, organisms, absorb their food (bacteria, fungi)fungi)

Fill in the Food WebFill in the Food Web

What are Biomes?What are Biomes?

A large region of the planet characterized A large region of the planet characterized by a specific climate and certain types of by a specific climate and certain types of plants and animal communities.plants and animal communities.

Carbon & Water CyclesCarbon & Water Cycles

How Ecosystems ChangeHow Ecosystems Change Ecological SuccessionEcological Succession: :

gradual change and gradual change and replacement of species in replacement of species in a community.a community.

Primary SuccessionPrimary Succession: : occurs on a surface occurs on a surface where no ecosystem where no ecosystem existed before.existed before.

Secondary SuccessionSecondary Succession: : occurs where an occurs where an ecosystem already ecosystem already existed (disrupted by existed (disrupted by humans, animals, storms)humans, animals, storms)