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25 Cards in this Set
- Front
- Back
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Abundance |
Actual number of a particular organism in a species |
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Population |
Number of one species |
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Biodiversity |
Population of each species within a biome |
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Abiotic |
Non living factor |
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Biotic |
Living factor |
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Habitat |
Physical environment where an organism lives |
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Community |
Various populations of a habitat |
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Nocturnal |
Active during night |
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Diurnal |
Active during the day |
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Phenotype |
Physical appearance of alleles |
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Genotype |
Alleles themselves |
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Evolution |
Change in allele frequency over time |
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Diploid |
Has a copy of both pairs of each chromosomes |
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Haploid |
Cells with half the number of chromosomes |
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Homozygous |
Has 2 of the same allele |
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Heterozygous |
Has 2 different alleles |
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Recessive |
Usually mixed by dominant, unless homozygous recessive |
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Dominant |
Gene is usually expressed and it masks recessive ones |
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Behavioural adaptation |
Aspects of the behaviour of an organism which help it survive in uts enviroment |
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Physiological adaptation |
Ensure the cirrect functioning of cellular actions and processes |
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Anatomical adaptations |
Structure or build of an organism |
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Relationship between freq. of two alleles of a single gene in a population |
freq of dominant allele (p) + freq of recessive allele (q) = 1 |
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Harvey-weinburg equation |
freq of homo dominant + freq of hetero + freq of homo recessive = 1 P^2 +2pq + q^2 = 1 As decimals |
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Harvey weinberg principle~allele freq. stays the same over time if these are true (5 conditions) |
1)no mutations 2)no immi or emi gration 3)no selection pressure 4)random mating 5)large popul |
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5 kingdoms |
Animalia, plantae, fungi, protoctista, prokaryotae |
