| A | B |
| species (n) | a group of living organisms that share similar characteristics |
| variation (n) | how organisms differ from one another |
| characteristic (n) | a feature that helps to identify, tell apart, or describe; a trait |
| positive correlation * (n) | a direct link between 2 variables / factors; As one variable increases, the other increases and vice versa |
| gene (n) | an ‘instruction’ in cells which codes for a specific characteristic, e.g. eye color |
| environment (n) | the conditions around an organism; the surroundings |
| fossil (n) | a remnant of a living thing that has been buried underground for a very long time and has been turned to stone by pressure |
| dominant trait * (n) | a trait that will show up in the offspring if one of the parents passes it on |
| recessive trait * (n) | a trait that must be passed on by both parents in order to show up in the offspring |