Chapter 16 Flashcards
Change over time
Evolution
Preserved remains of ancient organisms
fossils
________ __________ explains how ________ _________evolved over long time periods through descent from __________ ________.
Charles Darwin
modern organisms (evolution)
common ancestors
Darwin noticed that many _______ yet__________ ________ animal and plant species occupied different, yet similar, _________ around the globe
different
ecologically similar
habitats
Darwin also noticed that _________, yet_________ animal species often occupied with in a _________ _____.
different
related
local area
He noticed that some fossils of _________ ___________ were similar to ________ __________
extinct animals
modern species
3patterns of biological diversity
species vary around the world
species vary locally
species vary over time
What did Darwin notice about biodiversity within a local area?
He noticed that different , related species often lived in different habitats with local areas.
_____-______ ____________ was one of the first
Jean-Baptiste Lamarck
ability of an individual to survive and reproduce
fitness
an inherited trait that increases organisms chance of survival
adaptation
low level of _______ = death
fitness
Organisms with variations most suited to environmental survive and leave more offspring
