What type of adaptation involves a chemical trait?
A physiological adaptation
What is another term for migration?
Gene Flow
What structures do whales have that are left over from a land ancestor?
Pelvis and Femur
What do we call similar body parts on different species that can be evidence for a common ancestor?
Homologous structures
What term do we use for a natural disaster wiping out part of a population?
Bottleneck Effect
What term do we use for a few individuals breaking off to start a new population?
Founder Effect
Why is the theory that giraffes grew long necks from stretching wrong based on information about adaptations?
You are born with your adaptations
What type of natural selection selects for one extreme?
Directional
What type of adaptations involves a physical trait?
Structural
Hibernation, migration, courtship displays
What are three features that all vertebrate embryos share?
What type of natural selection selects for both extremes and eliminates the average condition?
Disruptive
Provide two examples of structural adaptations in the space below.
Feathers, scales, camouflage, mimicry