Genetics, populations, evolution and ecosystems.

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Last updated: December 5, 2016

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First submitted	December 5, 2016
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Average score	30.0%
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Hint	Answer
A mathematical equation that can be used to calculate the frequencies of the alleles of a particular gene in a population.	Hardy weinberg
Form of nuclear division produces 4 gametes	Meiosis
Competition among individuals of the same species	Intraspecific
Type of selection that favours individuals with extreme Phenotypes	Disruptive
Selection that tends to eliminate the extremes of the phenotypes	Stabilising
Speciation that occurs due to geographic boundaries	Allopatric
Takes place in small populations, resulting in reduction in genetic diversity.	Genetic drift
A variable rate that limits the rate of a chemical reaction	Limiting factors
Factors that influence population size that are not organisms	Abiotic
When one animal is consumed by an organism	Predation

Hint	Answer
All the living and non living components of a particular area	Ecosystem
The place where an organism normally lives and which is characterised by physical conditions and the types of other organisms present	Habitat
Square structure used to measure species frequencies	Quadrat
The process by which living organisms return to an area after a natural disaster	Succession
The range and variety of genes, species and habitats within a particular region	Biodiversity
The total mass of living material, normally measured in a specific area over a given period of time	Biomass
The management of the Earth's natural resources by humans in such a way that the maximum use of them can be made in the future	Conservation
The end-stage in the evolution of a plant community	Climax
All the living organisms present in an ecosystem at a given time	Community
The environmental force altering the frequency of alleles in a population	Selection pressure

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