Term
| what are the 4 characteristics of kingdom chordata? |
|
Definition
dorsal nerve chord
notochord-nerve chord
pharyngeal gill slits
post-anal tail |
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Term
| in what stage of life do most chordates have the 4 characteristics? |
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Definition
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Term
| what are the 3 subphyla of kingdom chordata? |
|
Definition
cephalochordata (lancelet)
Urochordata (tunicates)
vertibrates |
|
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Term
| what is unique about the organisms (example) in subphyla Cephalochordata? |
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Definition
retains all 4 characteristics throughout life
ex. lancelet |
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Term
| what is an example of an organism in subphyla Urochordata? |
|
Definition
tunicates
looks like a sponge, but is far more advanced |
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Term
| which of the 4 characteristics of chordates do organisms in subphylum Urochordata hold through life? |
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Definition
| all 4 as embryo, hold Pharyngeal gill slits through life |
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Term
| do organisms in subphylum urochordata go through metamorphosis? |
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Definition
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Term
| what are the 7 major classes of Vertebrates? |
|
Definition
Agnathans
Chondrichthyes
Osteichthyes
Amphibia
Reptalia
Aves
Mammalia |
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Term
|
Definition
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Term
| what are some examples of Agnatha? |
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Definition
|
|
Term
| are 2 characteristics of each Agnatha example? |
|
Definition
Hagfish live in saltwater and eat dead things
lampreys live in freshwater and are ectoparasitic |
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|
Term
| what does Chondrichthyes mean? |
|
Definition
|
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Term
| what are some examples on Chondrichthyes? |
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Definition
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|
Term
| what kind of skeleton do Chondrichthyes have? |
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Definition
|
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Term
| what kind of sense system do Chondrichthyes have? |
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Definition
| acute sense system (lateral line system) |
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Term
| how do Chondrichthyes reproduce? (3 ways) |
|
Definition
viviparous (placenta, offspring inside mother)
oviparous (lays eggs, offspring outside mother)
ovoviviparous (lays eggs inside mom) |
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Term
| what is the difference between skates and rays? |
|
Definition
rays have barbs (not always)
skates have pointy noses |
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Term
| what organisms are in class Osteichthyes? |
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Definition
|
|
Term
| what is the largest vertebrate class? |
|
Definition
|
|
Term
| how do fish control their buoyancy? |
|
Definition
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|
Term
| what kind of nervous system do Osteichthyes have? |
|
Definition
|
|
Term
| how do Osteichthyes reproduce? |
|
Definition
| oviparous and ovoviviparous |
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|
Term
| what 2 types of organisms are in class Osteichthyes? |
|
Definition
| ray finned and lobe finned |
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|
Term
| what organisms gave rise to amphibians? |
|
Definition
| lobe-finned fishes (African lung fish) |
|
|
Term
| what are lobe finned fishes? |
|
Definition
|
|
Term
| what are 2 of the oldest fish? |
|
Definition
|
|
Term
| whats the story of the coelacanth? |
|
Definition
| were believed to be extinct, fish scientist saw one at a fish market then found more off the coast of Indonesia/Madagascar |
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Term
|
Definition
| the fleshy gill covering on Osteichthyes |
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|
Term
| what are some examples of Osteichthyes? |
|
Definition
| seahorses, eels, batfish, flounder, pufferfish |
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|
Term
| which evolutionary order do gills and lungs come in? |
|
Definition
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Term
|
Definition
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|
Term
| What were the first vertebrates to colonize land? |
|
Definition
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|
Term
| why are organisms in class amphibia still tied to water? |
|
Definition
skin must be mouse b/c that's how they breath - called cutaneous skin
must lay eggs in water or they will dry out |
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|
Term
| approx. how many species of amphibia? |
|
Definition
| 4,800 including salamanders, frogs and caecilians |
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|
Term
| what kinds of animals are in class Reptalia? |
|
Definition
| snakes, lizards, turtles, crocodiles, alligators |
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|
Term
| do reptiles rely on water? (2 characteristics) |
|
Definition
can be completely terrestrial b/c
1. have advanced skin with chitin
2. hard leathery shell on egg |
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Term
| what kind of organisms are in class Aves? |
|
Definition
|
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Term
| what are 3 characteristics of animals in class Aves? |
|
Definition
| beak, wings, flight (not all) |
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Term
| what kind of shells do birds have? |
|
Definition
calcium based shelled egg
cleidoic |
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|
Term
| what helps birds' feather's keep their shape? |
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Definition
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|
Term
| where is the only place that penguins and flamingos coexist? |
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Definition
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|
Term
| what 2 things do all mammals have? |
|
Definition
|
|
Term
| what are the 3 major groups in class mammalia? |
|
Definition
monotremes - lays eggs (platypus and echnida)
Marsupials - have pouches
Eutherians - placental mammals |
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Term
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Definition
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