AQA Living World

What is an ecosystem?

• A collection of climate conditions

• A system of collecting eco friendly products

• Physical and Human Factors

• Natural system of plants and animals and their environment

Name 3 types of ecosystems that you have studied

• Tundra

• Temperate Forest

• Hot Deserts

• Volcanoes

Which Ecosystem does the UK fit into?

• Tundra

• Tropical Rainforest

• Coniferous Forest

• Deciduous Forest

Name the main characteristics of a tropical rainforest

• High temperatures

• Heavy rainfall

• More than half world species of plants and animals

• A quarter of all medicines come from the TRF

Name the main characteristics of a hot desert

• High daytime temperatures, low night time temperatures, low rainfall

• High daytime temperatures, high night time temperatures, low rainfall

• Low daytime temperatures, high night time temperatures, high rainfall.

• Low daytime temperatures, low night time temperatures, high rainfall

Name the main characteristics of Deciduous Forests

• Retain leaves in order to retain moisture - through pine needle like leaves

• Trees shed leaves in spring, between 10-30 degrees north of equator

• Trees shed leaves in winter to retain moisture, between 50-60 degrees north of equator.

• Retain leaves in order to maximise photosynthesis during the winter months

Name the correct order for the structure of a TRF

• Shrub Layer, canopy, under canopy, emergent

• Under Canopy, shrub layer, emergent, canopy

• Emergent, canopy, shrub layer, under canopy

• Shrub Layer, Under Canopy, Canopy, Emergent

Which continents are TRF found on?

• Central and South America

• Europe

• Central Africa and N Australia

• SE Asia

Name 3 negative impacts of Deforestation

• Soil Erosion

• Loss of Biodiversity

• Contributes to Climate Change

• More income is generated through sales of wood

Why should rainforests be protected?

• Provide resources such as wood/fruits/nuts

• Medicines are found in plants and animals in the TRF

• They absorb oxygen

• TRFs are the Lungs of the planet