ECOSYSTEMS

Choose the correct definition:

• An ecosystems consists of all living things (biotic factors), all non living things (abiotic factors), all the relationships among biotic factors and all the relationships between biotic and abiotic factors.

• An ecosystems consists of all living things (biotic factors) and all non living things (abiotic factors).

• An ecosystems consists of all living things (biotic factors) and all the relationships between biotic and abiotic factors.

The biotic factors consist of:

• all living things

• all non living things

• some (alcuni) living things

• some (alcuni) non living things

The abiotic factors consist of:

• all living things

• all non living things

• some (alcuni) living things

• some (alcuni) non living things

ABIOTIC FACTOR

It is used by plants to make the photosynthesis. It's the _____

ABIOTIC FACTORS

It's liquid and it's vital. It's _____

The abiotic factors are: water, temperature, light, soil and ___

The ecosystem in the picture is a:

• forest

• grassland

• desert

• alpine tundra

The ecosystem in the picture is an:

• acquatic marine ecosystem

• terrrestrial ecosystem

• acquatic freshwater ecosystem

The ecosystem in the picture is a ______ ecosystem.

The main types of terrestrial ecosystems are:

• forests, deserts, alpine tundra, arctic tundra, grasslands and taigas

• deserts, alpine tundra, arctic tundra, grasslands and taigas

• forests, deserts, alpine tundra, arctic tundra, grasslands and