Term
| what is intraspecific variation? |
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Definition
| variation within a species |
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Term
| 2 reasons why measurements of a sample are not represantative? |
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Definition
sample bias- selection process is bias
chance- individuals not represantative |
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Term
| 3 ways of preventing sample bias? |
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Definition
1) eliminating human envolvement
2) random sampling
3) using a large sample size |
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Term
| what are 2 causes of variation? |
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Definition
| The enviroment and genetic differences |
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Term
| what are genetic diffences caused by in sexually reproducing organisms? |
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Definition
1) mutations- sudden change 2 genes. Chromosomes passed or not passed down generations
2) meiosis- mixes genetic info b4 it is passed to gametes
3) fusion of gametes - off spring inherit charectoristics from each parent. Which gametes fuse is random. |
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Term
| what can only increase variety in asexually reproducing organisms? |
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Definition
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Term
| What does a large standard variation mean? |
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Definition
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