Vestigial Traits
What is a vestigial trait?
A structure that has lost most or all of its original function through evolution.
What is evolution?
The process through which species change over time through adaptation and natural selection.
Who was Charles Darwin
A naturalist who proposed the theory of natural selection as a mechanism for evolution.
What is a Homologous Structure?
A Structure that is similar between different species due to common ancestry.
What is Comparative Embryology?
The study of the similarities and differences in the embryos of different species to understand evolution.
What is an organ in the human body that is a vestigial trait?
Appendix
What are adaptations?
Traits that enhance an organism's ability to survive and reproduce in its environment.
What did Charles Darwin do when he was in the Galapagos Islands?
He observed Finch variations among each island.
What is a Homologous Structure among humans, whales, and bats?
Forelimbs
What is an example of Comparative Embryology?
Similarities in the embryonic development of vertebrates like fish, birds, and mammals.
What vestigial structure was once used by humans to eat large pieces of meat?
Wisdom teeth
Is camouflage in a chameleon evolution or an adaptation?
Adaptation
What book did Charles Darwin publish?
On the Origin of Species
What Homologous Structure is similar between birds and insects?
The bones in the wings.
Is comparing embryos from different animals Comparative Embryology?
Yes
What bone was once used in whales before they became sea creatures?
Pelvic bone
Were the changes in peppered moth coloration during the industrial revolution evolution or an adaptation?
Evlolution
What function did humans use to make themselves warmer in the wild?
Goosebumps
What is the adaptation? The thick fur of a polar bear for insulation or Darwin's finches' beak adaptations.
The thick fur of a polar bear for insulation.