My Crossword Maker Logo
Powered by BrightSprout
Save Status:
or to save your progress. The page will not refresh.
Controls:
SPACEBAR SWITCHES TYPING DIRECTION
Answer Key:
Edit a Copy:
Make Your Own:
Crucigrama Sopa de Letras Hoja de Trabajo
Calificar este Puzzle:
Log in or sign up to rate this puzzle.

Ch. 10A Crossword

Horizontales
Behavioral __ studies changes in behavior in organisms due to ecologic pressures
Study of embryos to figure out how genes direct their development
Studied human population and believed that scarcity of resources would result in the survival of the fittest.
Fossils thought to be millions of years old should not contain __ tissues.
Similar structures not evolved from common ancestor
Geologist who formulated "uniformitarianism" (earth changes slowly over time at the same rate as we see today)
Useless structures "left over" from evolutionary change
Verticales
Came up with idea of mutations as cause of changes in species
Similar structures in species; thought to have evolved from a common ancestor
Published papers on natural selectionshortly before Darwin published his book
Greek philosopher who believed in the fixity of species
__of species is the belief that species cannot change over time.
The __ Project is studying soft tissues in fossils.
Came up with system of classifying organisms