Study your flashcards anywhere!

Download the official Cram app for free >

  • Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle Off
Reading...
Front

How to study your flashcards.

Right/Left arrow keys: Navigate between flashcards.right arrow keyleft arrow key

Up/Down arrow keys: Flip the card between the front and back.down keyup key

H key: Show hint (3rd side).h key

A key: Read text to speech.a key

image

Play button

image

Play button

image

Progress

1/15

Click to flip

15 Cards in this Set

  • Front
  • Back
clade
In cladistics, a common ancestor and all the species descended from this common ancestor
Cladistics
A school of systematics that determines the degree of relatedness by analyzing primitive and derived characters and constructing cladograms
Cladogram
In cladistics, a branching diagram that shows the relationship among species in reguard to their shared, derived characteristics
Classification
A set of categories to which species are assigned on the basis of their relationship to other species
Common ancestor
An ancestor held in common by at least two lines of descent
Convergent evolution
Similarity in structure in distantly related groups due to adaptation to the environment
Derived character
A structural, physiological, or behavioral trait that is present in a specific lineage and is not present in the common ancestor for several lineages
Homology
Simlarity in structure in related groups that cannot be traced to a common ancestor
Parallel Evolution
Similarity in structure in related groups that cannot be traced to a common ancestor
Phylogenic Tree
A diagram that indicates common ancestors and lines of decent
Phylogeny
The evolutionary history of a group of organisms
Primitive character
A structural, physiological, or behavioral trait that is present in a common ancestor or all members of a group
Systematics
The study of the diversity of organisms at all levels of organization, from the cellular level to the population level
taxon (pl. taxae)
Group of organisms that fills a particular classification category
Taxonomy
The branch of biology concerned with identifying and naming organisms