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Evolution Crossword

Across
Prevents species from mating because they breed at different times
An organ that appears in different species that underlines similarities with a common ancestor
Species evolve into two different forms
Passing of traits from parent to child
The remains of an organism
Difference between cells or organisms
Organisms that are not related share similar traits
The fossil remains 0f an organisms
The complete annhiliation of a species
Down
Different species live in same area but some properties of individuals prevent interbreeding
Group of species that live in the same place at the same time
Two species do not mate due to behavioral difference
Ability to survive reproductive age and be able to make offspring
This is how biological communities are organized
Process where a species becomes better adapted to there environment
Exchange from one population to another