Soil and EcosystemsBlock 2

Soils are classified according to their structure, origin and composition.

Soils are formed by pieces of rocks (rocky soils), sand (sandy soils), clay (clay soils), loam and sand (sandy-loamy soils) and decayed organic materials (muck soils).

Types of Soils.

Can you guess which one is which?

•ROCKY SOIL

•SANDY SOIL

•CLAY SOIL

•SANDY-LOAMY SOIL

•MUCK SOIL

Can you guess which one is which?

•ROCKY SOIL

•SANDY SOIL

•CLAY SOIL

•SANDY-LOAMY SOIL

•MUCK SOIL

ROCKY SOIL SANDY-LOAMY SOIL

SANDY SOIL

MUCK SOIL

CLAY SOIL

The balance between plants and abiotic factors like water and air determines the distribution of different plant species in ecosystems.

TERRESTRIAL ECOSYSTEMIn this ecosystem, flowering and non-flowering plants grow in different kinds of soils. Decomposers like fungus and bacteria change organic matter.

Soils Sustainability.

The balance between plants and abiotic factors like water and air determines the distribution of different plant species in ecosystems.

TERRESTRIAL ECOSYSTEMIn this ecosystem, flowering and non-flowering plants grow in different kinds of soils. Decomposers like fungus and bacteria change organic matter.AQUATIC ECOSYSTEMIn this ecosystem, plankton, algae and plants adapted to the aquatic environment grow. The relationship between soil and the aquatic ecosystem is caused by the organic matter that is carried from terrestrial ecosystems by the rivers to the oceans and lakes.

Terrestrial and aquatic ecosystems depend on each other since the energy flows between both ecosystems to maintain the balance and the sustainability of the biotic and abiotic factors.

Soils Sustainability.

A group of microscopic organisms which live in salt or sweet water, more abundant up to 200 meters of depth.

Plankton

A very large and diverse group of organisms, ranging from unicellular to multi-cell forms such as the giant kelp, a large brown alga that may grow up to 50 meters in length.

Algae (singular alga)

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