Ecology Flashcards
To get an A (51 cards)
What is Ecology
The study of how living and non-living things interact.
What does biotic mean?
All the living factors that can affect an organism eg, competitors, predators
what does abiotic mean?
- all the non-living/physical factors that affect an organism,
- eg, amount of water, sunlight, oxygen, salinity S.W.O.T.S
What is MRSGREN?
Movement
Respiration
Sensitivity
Growth
Reproduction
Excretion
Nutrition
List 3 biotic examples
- Plants
- Animals
- Bacteria
List 3 abiotic examples
- Temperature
- Water
- Soil
What is respiration
The process that the body uses to release energy from digested food
What do autotrophs do?
Convert light energy into chemical energy
what do heterotrophs do?
Consume energy from other living things
what do herbivores do?
Eat autotrophs only
What do carnivores do?
Eat heterotrophs only
What do omnivores do?
eat autotrophs and heterotrophs
What do detrivores do?
eat dead/decomposing organisms or wastes
What do decomposers do?
Decomposers break down dead materials, returning nutrients to the soil.
what is biodiversity?
The range variety of organisms living in an ecosystem
What is an ecosystem
The interactions between living and non-living things in an area.
what is an example of an ecosystem
reef ecosystem, pond ecosystem
what is a habitat?
The place where an organism lives
what is an environment
The factors, both living and non-living, around an organism.
what are some examples of enviroments
wind, air, vegetation, wildlife etc.
what is a terrarium
A container that acts as an organism’s habitat, providing both living and non-living needs.
what is predation
where one organism eats or preys on another
what is parasitism
a type of predation where one organism benefits while the other doesn’t.
what is competition?
where both organisms fight for the same resource