Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
15 Cards in this Set
- Front
- Back
|
The evolutionary history of an organism is the cornerstone of a branch of biology called systematic taxonomy.
|
Phylogeny
|
|
|
Modifies homologus structies
|
Adaptive Ratiation
|
|
|
Traits that are morphologically and functionally similiar even though there is no common ancestor
|
Analogus Structures
|
|
|
system of classification that uses shared derived characters to establish evolutionary relationships.
|
Cladistics
|
|
|
A feature that apparently evolved only within the group under consideration.
|
Derived Characters
|
|
|
What are the three classes of Cnidaria?
|
Hydrozoa, Scyphozoa, Anthozoa
|
|
|
Polyp is dominant, can have medusa but some don't
|
Hydrozoa
|
|
|
Medusa is dominant, can have polyp
|
Scyphozoa
|
|
|
Polyp is dominant no medusa
|
Anthozoa
|
|
|
Hydra--no medusa stage, solitary polyp, attach to rocks with sticky basal disc- falls into what category
|
Hydrozoa
|
|
|
Hydrozoa that consists of a colony of organisms that use a gas filled ballon to float on surface and dangle tentacles below w/ stinging cell
|
Portugese-Man-of-War
|
|
|
Colonization is particular to what class? why is it important?
|
Hydrozoan- makes it more efficient
|
|
|
King Phillip Came Over For Great Sandwhiches
|
Kingdom Phylum Class Order Family Genus Species
|
|
|
Cup Animals
Jelly fish, sea wasp, |
Scyphozoan
|
|
|
Name means flower animal, don't form medusa, largest class of Cnidarians, (sea anenomies, coral)
|
Anthozoan.
|
