1) extinction a) when a new organism has started b) when living members of a species have died and no new offspring can be born c) only two of the same sex organism are alive and therefore not reproduce. 2) adaption a) a mutation which puts the organism at risk b) a mutation which is beneficial to the organism c) a mutation which helps the organism be higher in the food chain 3) fertilisation a) a woman on her period b)  a full grown in a womb c) a sex cells meets and fuses with a different sex cells 4) what does dna mean a) deoxyriboNucleic Acid b) democratic nucleus analysis

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