Grouping Things
The scientific study of how organisms are classified.
What is Taxonomy?
The biologist who created a naming system in the 1730s.
Who is Carolus Linnaeus?
This theory is the organizing principle of life science today.
What is the theory of evolution?
The term for unrelated organisms evolving similar characteristics.
What is convergent evolution?
The process of grouping things based on their similarities.
What is classification?
Scientists use taxonomy to identify the name of one of these.
What is an unknown (or newly discovered) organism?
Linnaeus’s system arranged organisms in groups based on these types of features.
What are observable features?
Modern scientists understand that groups of organisms are similar because they share this.
What is a common ancestor (or evolutionary history)?
Convergent evolution often happens when organisms live in these.
What are similar environments?
A feature of an object or organism that allows you to compare and contrast it.
What is a characteristic?
To classify an organism, you first need to know about these features.
What are characteristics?
What are observable features?
What is binomial nomenclature?
Scientists compare this to see how closely related organisms truly are.
What is DNA?
This specific ability is an example of a trait evolved through convergent evolution.
What is flight?
Scientists organize Earth's organisms based on similarities and these.
What are differences?
This organism is mentioned in the text for eating by scraping away the flesh of others.
What is a sea slug?
In a scientific name, the first word refers to this group.
What is the genus?
Organisms with a similar evolutionary history usually share these.
What are characteristics/similarities?
Convergent evolution explains why unrelated organisms might evolve similar ____________.
What are traits/characteristics?
Classification allows scientists to organize a collection of items, similar to how you might organize these treasures mentioned in the slides.
What are seashells, trading cards, or coins?
The estimated number of different types of organisms on Earth.
What is 8.7 million?
This is what the second word in a scientific name refers to.
What is the species?
True or False: Sharing common characteristics always means organisms are closely related.
What is False?
Name the process that explains why a bird and a bat both have wings despite not being closely related.
What is convergent evolution?
This level of classification contains organisms that are "closely related."
What is the genus?