Fossils, fossils, fossils
Imprints or remains of once living organisms.
What are fossils?
The naturalist who traveled to South America on the HMS Beagle, credited with creating the Theory of Evolution.
Who is Charles Darwin?
Preserved remains of an ancient organism that help show ancestral-modern relationships between organisms.
What is fossil evidence?
Organisms will produce many more offspring than will survive.
What was Darwin's first observation?
The naturalist who is credited with coming up with the Theory of Evolution.
Who is Charles Darwin?
Horizontal layers of rock surrounding fossils.
What are strata?
This group of islands that Darwin collected many samples from in his work on natural selection.
What are the Galapagos Islands?
Darwin found that all of the Galapagos finches all had evolved as variations on a single theme - small alterations in their basic beak structure based on a generic ancestor.
What is adaptive radiation?
Two organisms will do this in order to acquire some limited resources.
What is competition(compete)?
The debunked idea that animals changed over time due to use or disuse of muscles and organs.
What are acquired traits?
The use of an isotope to determine the exact age of a fossil.
What is radioactive (or absolute) dating?
A small group of birds Darwin noticed all had slight variations in the shape and size of their beak based on the food most readily available.
What are Galapagos Finches?
Comparison of DNA or protein sequences between two individual organisms to help determine ancestry.
What is molecular evidence?
Two adult male elk fighting for reproductive rights in their herd.
What is intraspecies competition?
The paleontologist credited in coming up with the idea of catastrophism.
Who is George Cuvier?
The disappearance of an entire species, from Earth.
What is extinction?
These large, slow moving reptiles were found on each of the different islands with small variations in the shape and size of their shells.
What are the Galapagos Tortoises?
Structures with a similar ancestry, but serve different functions.
What are homologous structures?
A red squirrel and a grey squirrel race to find and bury acorns in the forest.
What is interspecies competition?
The geologist credited in coming up with the idea of uniformitarianism?
Who is Charles Lyell?
The idea that natural disasters would periodically cause large numbers of extinctions.
What is catastrophism?
These large herbivorous reptiles are found everywhere else on Earth as entirely terrestrial.
What are Marine Iquanas?
Structures that have a similar function, but do not share any common ancestry.
What are analogous structures?
Environmental factors will determine that a certain heritable trait makes an individual more fit, and those traits will be passed along to offspring.
What is natural selection?
The scientist credited in coming up with the idea of acquired traits.
Who is Jean-Baptiste Lamarck?