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Evolution I Vocab Review

Across
Any fossilized remains of a life for that exhibits traits common to both an ancestral group and its derived descendent group (two words)
The collected accumulation of the remains of organisms that have been preserved, particularly in rock, all over the world (two words)
A similar structure that can be found in very different animals, often pointing towards a common ancestor (two words)
An appendage with five digits, such as fingers or toes (two words)
A layer
Change in the heritable characteristics of biological populations over successive generations
A branching diagram that reflects a hypothesis about evolutionary relationships among groups of organisms (two words)
Down
The process by which a species becomes fitted to its environment
The process whereby organisms better adapted to their environment tend to survive and produce more offspring (two words)
The remains or impression of a prehistoric organism preserved in petrified form or as a mold or cast in rock
An anatomical feature that no longer seems to have a purpose in the current form of an organism of the given species (two words)
Refers to similar structures that evolved independently in two living organisms to serve the same purpose (two words)
The study of the formation and development of an embryo and fetus
A well-substantiated explanation of some aspect of the natural world