Flashcards
Populations.
Cards in this deck (16)
- 1Definition of Population:All the organisms of one particular organisms living in a particular habitat
- 2Definition of Community:The total number of living organisms in a particular ecosystem or habitat
- 3Definition of Habitat:The part of an ecosystem in which an organism lives
- 4Definition of Ecosystem:A group of interrelated organisms and their physical environment
- 5Definition of Niche:Where an organism lives and what it does there - a description of how an organism fits into its environment e.g feeding, breeding etc.
- 6Definition of Biotic factors:The effects of the activities of living organisms on other organisms.
- 7Definition of Abiotic factors:The non-living, physical conditions of an ecosystem.
- 8Definition of Competition:A relationship between different organisms requiring the same resource, one organism/population can out compete another.
- 9What is Intraspecific competition?Competition between animals of the same species.
- 10What is Interspecific competition?Competition between members of different species.
- 11Resources animals frequently compete for?Food, Water, Space, Breeding.
- 12Resources plants frequently compete for?Mineral ions, Water, Light, Space.
- 13What is the Lotka-Volterra model?Model used to understand predator-prey relationships in regards to population.
- 14Factors effecting birth rates of humans:Contraception
Medical care
Political change
Economic change
Religion
Female emancipation - 15Factors affecting human death rates:Conflict
Natural disaster
Life expectancy
Disease
Medical care
Resources
Sanitation
Infant mortality - 16—
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- A-Level Biology (4:1 Populations) Flashcards on Populations., created by Elena Cade on 02/03/2016.
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- Elena Cade
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