Unit 1: Section B Flashcards
Define ecosystem
Entire living communities of different flora and fauna that share common characteristic
define abiotic
elements not living but still affect the ecosystem
define biotic
living elements in an ecosystem
define relief
the height and shape of the land
what are different parts of the food chain?
- producer
- primary consumer
- secondary consumer
- tertiary consumer
- decomposer
what is each level of the food chain known as?
trophic level
why does the biomass get smaller on each level?
- not all ingested material is absorbed
- glucose used in respiration
- some absorbed material lost as waste
what 3 parts make up the nutrient cycle?
- soil
- biomass
- litter
how does the soil get nutrients?
input from weathered rock
what makes up biomass in the nutrient cycle?
plants and tress (that uptake the nutrients from soil)
what makes up litter in the nutrient cycle?
fallout as leaves (from biomass as plants die)
define leechings
nutrients get washed away (by rain)
where is epping forest located?
east side of london
how many species of dragonfly are in the epping forest?
20
