4 Oct Flashcards
(16 cards)
What is the definition of physiographic factors?
The abiotic factor which influences an ecosystem with regard to aspect, slope and height above sea level
What is the definition of edaphic factors?
The abiotic factor which deals with soil in regard to texture, type, air, water-holding capacity, humus content and pH
What is the definition of biotic factors?
The living components of an ecosystem
What is the definition of abiotic factors?
Non-living components in an ecosystem
What is the definition of a biome?
Any area with a particular climate, together with all the living organisms in a distinct region
What is the definition of an ecosystem?
The area in which biotic components interact with each other and with abiotic components
What is the definition of ectothermic animals?
The body temperature depends on the environmental temperature
What is the definition of endothermic animals?
Animals that can keep their body temperature constant despite the environmental temperature
What is the definition of deciduous trees?
Trees that lose their leaves and “hibernate” in winter by reducing their metabolism in order to survive
What is the definition of an autotroph?
An organism which can produce its own organic food, usually through photosynthesis
What is the definition of heterotroph?
An organism that cannot produce its own food
What is the definition of hydrophytes?
Plants that are adapted to grow in water
What is the definition of mesophytes?
Plants that are adapted to grow in area with moderate supply
What is the definition of xerophytes?
Plants that are adapted to grow in extremely dry conditions
What is the definition of decomposers?
Organisms that feed on dead organic matter and break down organic compounds into simple inorganic substances that are released back into the environment
What is the definition of a food chain?
A transfer of energy from the sun through green plants and various consumers
