1B - Ecosystems Flashcards
What is an ecosystem?
An ecosystem includes all the living and non living parts of an area
What is a producer ?
uses sunlight energy to produce food
What is a consumer?
gets energy by consuming other organisms
What is a decomposer ?
An organism that gets its energy by breaking down dead material
Explain the nutrient cycle?
Dead material decomposes , nutrients released into soil
Nutrients taken up from soil by plants
Plants die and release nutrients back into soil
repeat
What is a food chain ?
A food chain shows what eats what
What is a food web?
a food web shows lots of foodchains and how they overlap
What is interdependence?
all the components depend on each other.
Where is the tropical rainforest found?
Equator - between tropics
in tropical rainforests it is hot and wet …
all year round
Where are hot deserts typically found?
Found between 15. and 35. north and south of the equator
What kind of trees are found in Rainforests?
Evergreen
At the equator there is low
air pressure
What is a latosol?
infertile soils found in rainforests
What does stratified mean?
made up of layers - rainforest have layers
What is the top layer of the rain forest ?
Emergent layer
Give two characteriscts of the emergent layer ?
Most sunlight
Most bird species
What is the layer underneath the emergent layer ?
Mid Canopy
Give two characteriscts of the mid canopy layer?
Where most photosynthesis happens
most biodiverse area
What is the layer underneath the mid canopy layer ?
lower canopy
give two characteriscts of the lower canopy ?
Darker and thinner
Bats,Lizards , Snakes
Plants in the shrub layer have huge leaves. Why?
abosorb little sunlight that comes through
What is the bottom layer in a rainforest ?
Forest Floor
What are drip tip leaves?
Waxy leaves that extend into a sharp point
What is the adaptation of being waxy?
slippery so water moves off - so it dosent mould
What are butress roots ?
Wide - long root systems so that thre tree does not collapse
Can absorb a lot of nutrients
What is an epiphyte?
plants that grow on other plants - Use it to supoort
What is our rainforest case study?
Malaysia
What is the richest part of malaysia ?
malay peninsula
What is the capital city?
Kuala Lumpur
What is the poor side ?
borneo
Southern part of Borneo is owned by
indonesia
Where is the deforestation in Borneo ?
Sarawak
What kind of country is malaysia?
NEE
Why does agriculture cause deforestation?
Trees are destroyed for palm oil production.
name one cause of deforestation in Malaysia ?
Economic growth
What is mined in Malaysia ?
Tin
