Topic 7 Forests Under Threat Flashcards
What type of waves is responsible for most of the erosion that takes place at the base of cliffs?(Topic 4)
Destructive waves
Over time, destructive waves erode cliffs resulting in the formation of wave-cut_______(Topic 4)
Platforms
Which coastal landforms are formed in areas where there are bands of hard and soft rock facing the sea?(Topic 4)
- bays
- headlands
Rock with lots of cracks and joints is called ____ rock. Headlands are made of _______ rocks with not many weaknesses.(Topic 4)
- soft
- resistant
What is left behind after cliffs retreat due to erosion?(Topic 4)
Wafe-cut platform
What coastal landforms is created by the erosion of headlands?(Topic 4)
- stack
- cave
- arch
What are the effects of deforestation?
- impact on plant and animal life
- fewer trees absorb less carbon dioxide through photosythesis.
- soil erosion increases, reducing the quality of soil and the rainforest’s ability to support large animal populations
Two examples of the effects of deforestation in rainforest ecosystems:
- less carbon dioxide absorbed through photosythesis
- more soil erosion
How are plants adapted to tropical rainforests?
- buttress roots
- thick,waxy leaves with drip tips
- smooth, thin bark
- adapted to a particular layer.
- climbing plants
What is an ecosystem?
The study of the living (biotic) and the non living(abiotic) aspects of an enviroment such as a woodland where the living things interact between each other and also with the non-living enviroment they are found within
What is a biome?
A large scale ecosystem found across the globe; each biome has its own group of plants and animals and climate which makes it unique and distinctive
The temperatures fall by 1 degree every ____m gained in altitude
100
