Across
- 3. The preserved remains of ancient organisms which supports the theory of evolution through natural selection
- 4. The members of the species which don't have favourable characteristics usually don't reproduce and '...'
- 6. Natural selection is a major concept within the theory of '...'
- 8. The process where members of a species that are best suited to their environment survive and reproduce; 'Natural ...'
- 9. A common structure between different species, which acts as evidence of common ancestry 'Pentadactyl ...'
Down
- 1. The last name of the person who purposed the theory of evolution by natural selection
- 2. A characteristic that helps a species survive a changing environment
- 3. Natural selection is also known as the 'Survival of the...'
- 5. In order for natural selection to occur there must be '...' within a species
- 7. The organisms who have the favourable characteristics and survive, then pass on these characteristic to their '...'