Natural Selection
| X | R | U | Y | I | I | A | L | L | E | L | E | S | N | B |
| V | L | R | W | M | E | X | T | I | N | C | T | I | O | N |
| F | I | T | N | E | S | S | A | A | U | A | N | R | O | T |
| T | O | F | F | S | P | R | I | N | G | E | E | K | N | P |
| R | H | N | T | G | P | T | N | O | B | G | O | E | T | R |
| A | T | S | E | G | F | H | P | I | A | W | G | N | N | E |
| I | O | M | G | N | A | G | E | T | C | A | H | O | I | D |
| T | B | I | Q | E | D | L | N | R | L | H | I | T | N | A |
| I | F | M | A | K | N | A | A | F | I | T | E | O | I | T |
| H | I | I | O | A | V | E | U | P | A | T | I | L | S | O |
| H | N | C | N | D | I | O | P | L | A | T | A | H | O | R |
| O | C | R | A | J | M | R | U | O | A | G | Q | B | P | S |
| E | H | Y | C | A | E | P | I | T | O | C | O | T | L | E |
| S | E | R | C | Z | O | M | U | J | Z | L | H | S | Y | E |
| E | S | D | A | P | Y | M | V | I | F | Z | E | S | H | N |
- ADVANTAGE
- ALLELE
- CAMOUFLAGE
- EXTINCTION
- FINCHES
- FITNESS
- GALAPAGOS
- GENE POOL
- HERITABLE
- MIMICRY
- MUTATION
- NICHE
- OFFSPRING
- POPULATION
- PREDATOR
- TRAIT
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Galapagos finches sharpened their beaks through the process this grid describes. A mutation appears, the gene pool shifts, and offspring carrying an advantage crowd out the rest. Camouflage and mimicry decide which animals a predator overlooks, while extinction waits for a population that can't adapt.
Natural Selection Word Search Answer Key
Checking a finished sheet, or stuck on the last word? The Natural Selection Word Search Answer Key marks all 16 hidden words in the grid and lists the row, column and direction each one starts from. It prints on its own sheet, so you can hand out the puzzle and keep the answers.
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