Evolution Crossword
This printable crossword puzzle on the topic of Ecology & Evolution has 16 clues. Answers range from 7 to 14 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
Description
All alleles in a population
a group of organisms that can reproduce and have fertile offspring
Earth has been affected by sudden, violent event
Embryos all look same in early steps of life
Species from different populations reproduce at different times
Type of selection where pressure for both extreme phenotypes
Species evolve to have similar traits but are unrelated
Have similar functions but different structures
Measure of survival and ability to produce much offspring
Earth has changes slowly
Share common ancestor but develop differently as they adapt
Type of selection when there is pressure for middle phenotype
More offspring produced than can survive
Similar in bone structure but different functions
When 2 populations evolve to become different species
Differences in a type of species
