Natural Selection

Science Easy 16 words 0 plays

An illustrated study of a bird's head beside a stem of spiked seed pods.
XRUYIIALLELESNB
VLRWMEXTINCTION
FITNESSAAUANROT
TOFFSPRINGEEKNP
RHNTGPTNOBGOETR
ATSEGFHPIAWGNNE
IOMGNAGETCAHOID
TBIQEDLNRLHITNA
IFMAKNAAFITEOIT
HIIOAVEUPATILSO
HNCNDIOPLATAHOR
OCRAJMRUOAGQBPS
EHYCAEPITOCOTLE
SERCZOMUJZLHSYE
ESDAPYMVIFZESHN
  • ADVANTAGE
  • ALLELE
  • CAMOUFLAGE
  • EXTINCTION
  • FINCHES
  • FITNESS
  • GALAPAGOS
  • GENE POOL
  • HERITABLE
  • MIMICRY
  • MUTATION
  • NICHE
  • OFFSPRING
  • POPULATION
  • PREDATOR
  • TRAIT

Galapagos finches sharpened their beaks on the process these sixteen terms describe: 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 a population that never settles into a niche slides toward extinction.

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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