megan1403
Quiz por , criado more than 1 year ago

GCSE Geography (Ecosystems) Quiz sobre Ecosystems, criado por megan1403 em 02-06-2013.

50
0
0
megan1403
Criado por megan1403 mais de 11 anos atrás
Fechar

Ecosystems

Questão 1 de 4

1

How does biomass (plants and organisms) become litter (layer of vegetation on surface of the soil).

Selecione uma das seguintes:

  • Plants and organisms die.

  • Plants and organisms eat the soil.

Explicação

Questão 2 de 4

1

How does litter (layer of vegetation on surface of the soil) become soil?

Selecione uma das seguintes:

  • Nutrients taken in as plants grow.

  • Nutrients released as plants decompose.

Explicação

Questão 3 de 4

1

What comes in and goes out to create soil?

Selecione uma das seguintes:

  • Some nutrients are added as rock is weathered, while some nutrients are lost due to leaching.

  • Some nutrients are lost as rock is weathered, while some nutrients are gained due to leaching.

Explicação

Questão 4 de 4

1

How does soil enter biomass (plants and organisms)?

Selecione uma das seguintes:

  • Animals eat the soil.

  • Nutrients are taken up by plants.

Explicação