Evolution 1 Flashcards
evolution
Process of developing a new trait
Variation
A change in condition
Adapatation
a process of adapting
fitness
the condition for being healthy
vestigial structure
Something a organism dosen’t need to survive
Analogous Structure
2 specious have same structure but evolve differently
Homologocus structure
it’s when very different animals have bones that appear very similar in form or function and seem to be related.
Convergent evolution
is the process whereby organisms not closely related but have similar traits
Divergent evolution
proces a species evolves into two or more descendant or different form, the process of tracing two or more species back to a common ancesto
speciation
the formation of new and distinct species in the course of evolution.
Coevolution
the influence of closely associated species on each other in their evolution
punctuated equilibrium
Rapid adaptations
Graduilism
evolution proceeds slowly by the accumulation of gradual changes