Ecosystems Flashcards
What is a biome?
A biome is a large scale ecosystem. Determinded by climate, soils and vegetation
What is the biosphere?
Part of earth that can support life and includes all living things and the places they are found. There are 3 biospheres , lithosphere, atmosphere and hydrosphere
How do biomes differ
Different animals and plants will live in different biomes depending on the pempurature, climate and how the soil is
How have some plants adapted?
Epiphyte- Reach sunlight quickly and without competition(high on tree)
Lianas-Rapid growth up existing trunk to reach sunlight
Buttress roots-shallow roots to capture nutrients close to surface
Drip till leaves- prevents mould growth
Dark leaves on forest floor- absorb more light
What is an invasive species
An organism that causes ecological or econmoic harm in a new environment where it is not the same
What problems do invasive species cause? Give example
Hippo- no predators to hunt them and kill them, territoral species so will attack human, people feed hippos, cannot sterilise them and relocate them because expensive, dont want to kill them either