Biology 3.1 Flashcards
What is a habitat
Place where organisms live
What is a population
Total number of one type of organism in an ecosystem
What is a community
All of the populations in an ecosystem
What is an ecosystem
Interaction between between living and non-living of ecosystem
What is biodiversity
The total variation that exists amongst the living organisms on earth
Why is biodiversity good for the economy
People may want to visit places with a biodiverse area(s)
Why is biodiversity good for aesthetic
If somewhere is aesthetically pleasing you may be more inclined to live there
What is a ethical reason for biodiversity
If there is land rich in crops and natural value it will preserve future generations
What are abiotic factors
Abiotic factors are non-living or physical factors that organisms
Name some abiotic factors
Light intensity, PH, soil moisture, temperature, humidity and wind speed
What are biotic factors
Biotic factors are factors related to living things
Name some biotic factors
Competition, predation and disease
What is predation
Predation is the eating of one organism by another
What does who limit the number of to reduce damage to plants
Predators limit prey numbers
What is a niche
A niche is the role that an organism plays within a community
What are the factors which determine an organisms niche
Feeding habits
Habitat
Position in the food chain
Life history
What is a producer
Green plants, able to make its own food by photosynthesis
What is a consumer
Animal which get their energy by feeding on plants or animals
Herbivore
Animal which only feeds on plants
Carnivore
Animal which only feeds on other animals
Omnivore
Animal that feeds on both plants and animals
What is a predator
Animal which hunts and eats another animal/prey
What is prey
The animal eaten by the predator
What is a decomposer
Bacteria and fungi, which breakdown organic matter
