Vocabulary
Fantastic Feathered Finches
Cladograms
Evolutionary Evidence
Natural Selection
200
This species includes none of the traits of the other species in a cladogram.
What is the outgroup?
200
This specific family member teaches the finches their songs and many aspects of their lives.
What is the father finch?
200
Only the pigeon has this trait.
What are feathers?
200
These remains or impressions of organisms cast in rock help scientists learn about how organisms change over time.
What are fossils?
200
These people proposed the theory of natural selection.
Who were Wallace and Darwin?
400
This term describes a species’ ability to survive and thrive in a certain environment.
What is fitness?
400
Darwin's revolutions idea suggested that species are all related and originally came from one of these.
What is a common ancestor?
400
This animal is the closest relative of the salamander.
What are lizards?
400
This large landmass consisted allowed prehistoric animals to travel from continent to continent, allowing different traits to appear in various places on Earth.
What is Pangaea?
400
This idea measures an organism’s strength that may not align with its perceptive strength.
What is fitness?
600
This structure has the same or a similar function in another species even though they do not share a common evolutionary origin.
What is an analogous structure?
600
This major weather event caused finches to adapt.
What is a drought?
600
This is the outgroup.
What are hagfish?
600
These remnants appearing in an animal have no use to it, showing how they are related to other animals with those structures.
What are vestigial structures?
600
This term describes a process by which a trait is specifically chosen to be present in offspring. This trait must be heritable.
What is artificial selection?
800
This structure inherited from an ancestor is now useless and does not serve any purpose.
What is a vestigial structure?
800
This is why cactus finches and medium ground finches do not tend to mate.
What are different songs and appearances?
800
If a frog was on this cladogram, it would be closest to (most likely in between) these two animals.
What are salamanders and lizards?
800
These bone structures in humans, dogs, birds, and whales are all similar, showing how they all evolved from a common ancestor.
What are homologous structures?
800
This is the name for the male who does not sing but steals the other dude's ladies.
What is a sneaker male?
1000
These 4 main principles of natural selection describe elements of Darwin’s theory of evolution.
What are variation, overproduction, adaptation, and descent with modification?
1000
A husband and wife duo discovered this phenomenon that a finch’s beak and size changes over time due to environmental changes.
Peter and Rosemary Grant’s theory on adaptive radiation.
1000
If a dolphin was on this cladogram, these animals would be most closely related to it.
What are mice and chimps?
1000
These are the embryonic homologies are structures that develop into facial features.
What are pharyngeal arches?
1000
Suppose a squirrel population encounters a famine because there is a shortage of acorns. When the month ends, the majority of squirrels now have stronger legs. If this famine were to continue, the strong leg variation would be passed on. This concept is known as ____.
What is descent with modification?