Unit 3-biodiversity Flashcards
Habitat?
The place where an organism lives
Population?
The total number of one species that live in a particular area
Community?
All the different populations of organisms living in a habitat
Biodiversity?
Variety of species present in an ecosystem
What is a niche?
The position of an organism in an ecosystem
What’s an example of a niche?
Giraffes with long necks to reach high branches
What are abiotic factors?
Non living physical factors that affect organisms
What’s examples of abiotic factors?
Temperature, light intensity, pH, moisture
What’s a biotic factor?
The living factors affecting organisms
Examples of biotic factor?
Grazing, predation, disease, competition for food and space
Flora?
Plant species in an area
Fauna?
Animal species in an area
What’s a biome?
Region of the planet with characteristics eg climate flora fauna precipitation
What is inter specific competition?
Members of a DIFFERENT species compete for the same resources
What is intraspecific competition?
Members of the same species compete for the same resources