Key Terms And Definitions Flashcards
Ecosystem
A community of living and non living things that interact in the habitat where they live.
Abiotic
Non- living
Biotic
Living, organic
Biomes
Large ecosystem, an area on the earths surface that has similar climate, soils, plants and animals
Temperate
Mild, moderate
Abscission
The process of leaf fall during the autumn season
TRUE OR FALSE?
The UK is a temperate biome
TRUUEEEE
Deciduous
A woodland that looses its leaves annually
Coniferous
Trees that have needle shaped leave
Food webs
A complex food chain
Food chain
A sequence between producers and consumers
Open system
A system which matter can enter from or escape to the surroundings
Closed system
A system in which no matter is allowed to enter or leave
Carnivore
An animal that only eats meat
Herbivore
An animal that only eats plants
Consumer
An organism that eats other organisms
Producers
Organisms that make their own food
Tropic levels
the position of an organism in the food chain and ranges from a value of 1 for primary producers to 5 for marine mammals and humans
Decomposers
Organisms that break down dead or decaying organisms
Nutrient cycle
a system where energy and matter are transferred between living organisms and non-living parts of the environment.
Desertification
The gradual transition between habitable land into desert
Deforestation
The purposeful clearing of the land
