Distribution Of Organisms Flashcards
What is abiotic
Non living elements of the ecosystems,such as climate, temperature, water and soil type
What is biotic
Living elements of an ecosystem, such as animal and plants.
What is deforestation
The cutting down of trees and forests to allow a different land use
What is indicator species
The presence, abundance or absence of these organisms provides information such as the level of pollution in the environment
What is a niche
Particular place or role occupied by an organism within an ecological community
What is pitfall trap
A sampling technique used to trap small invertebrate animals living on the soil surface or in leaf litter.
What is quadrat
A square frame of known area used for sampling the abundance and distribution of slow or non-moving organisms.
What is a sample
A representative part of a larger quantity
