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;
90 Cards in this Set
- Front
- Back
- 3rd side (hint)
•dorsal, hollow notochord •nerve cord •pharyngeal pouches (become gills) •tail extends beyond anus |
Four main characteristics: |
|
|
Vertebrates |
Most chordates are ___. |
|
|
•Lancelets •Sea squirts |
Examples of invertebrate chordates: • • |
|
|
All Not all |
___ Vertebrates are chordates but ___ chordates are vertebrates |
|
|
Brain |
Front end of a vertebrate's spinal cord develops a ___. |
|
|
Closed |
Vertebrates have a ___ circulatory system |
|
|
•living endoskeleton with vertebral column •paired Appendages •efficient respiration and excretion •high degree of cephalization |
Features of a vertebrate: • • • • |
|
|
Jawless fish |
Ex: lamprey, hagfish |
|
|
Jawless fish |
Ex: lamprey, hagfish |
|
|
Cartilage fish |
Ex: Sharks, rays |
|
|
Jawless fish |
Ex: lamprey, hagfish |
|
|
Cartilage fish |
Ex: Sharks, rays |
|
|
Bony fish |
Ex: salmon, catfish, goldfish |
|
|
Jawless fish |
Ex: lamprey, hagfish |
|
|
Circulation Respiration Excretion |
Characteristics: Form and Function; 1. 2. 3. |
|
|
Blood is passed over the gills where it picks up oxygen (blood & water flowing in opposite directions) |
What does a 2 chambered heart in fish do? |
Circulation |
|
Gill covers |
Operculum- |
Respiration |
|
Gills |
During respiration, water passes over ___, oxygen is added |
|
|
Lungfish |
Which fish has special organs to serve as lungs? |
|
|
Maintaining water balance |
Homeostasis- |
|
|
Lose |
During excretion, salt water fish tend to ___ water |
|
|
Ostracoderm |
The earliest vertebrate fossil |
|
|
Lampreys and hagfishes |
Modern day jawless fishes that lack a bony skeleton • • |
|
|
Gain |
During excretion, freshwater fish tend to ___ water |
|
|
Cartilage fish |
Ex: Sharks, rays |
|
|
Jawless fishes |
Superclass Agnatha |
|
|
Have jaws |
Gnathostomates |
|
|
Placoderm |
-extinct jawed fishes of the Devonian Period |
|
|
Chondrichthyes |
Class C......s have a skeleton of cartilage |
|
|
Sharks, rays, skates |
Examples of Cartilaginous fishes |
|
|
Gill cover of bony fish |
Cartilaginous fish lack ________. |
|
|
Lateral line system |
Cartilaginous fish utilize______ |
|
|
Cartilaginous fish |
Can be filter feeders and predators |
|
|
Cartilaginous fish |
Pectoral fins can be enlarged into large, winglike fins |
|
|
Osteichthyes |
Class O........s have a skeleton of bone |
|
|
Bony fish |
Ex: salmon, catfish, goldfish |
|
|
Osteichthyes |
Most are ray finned fishes |
|
|
Lobe-finned fishes |
Small subgroup with fleshy fins supported by central bones |
|
|
Swim bladder |
Gas-filled sac in bony fishes |
|
|
Bony |
In ____ fishes volume can be altered to change buoyancy |
|
|
Amphibians |
Ex: Frogs, salamanders |
|
|
Reptiles |
Ex: lizards, turtles |
|
|
Birds |
Ex: sparrows, hawk |
|
|
Mammals |
Ex: Humans, whales, cats |
|
|
Anything with gills, scales, fins... |
What are fish? |
|
|
Jawless |
1st fish were ___. |
|
|
Denovian Period |
"Age of Fishes" |
|
|
Jawless fish |
Ex: lamprey, hagfish |
|
|
Circulation Respiration Excretion |
Characteristics: Form and Function; 1. 2. 3. |
|
|
Blood is passed over the gills where it picks up oxygen (blood & water flowing in opposite directions) |
What does a 2 chambered heart in fish do? |
Circulation |
|
Gill covers |
Operculum- |
Respiration |
|
Gills |
During respiration, water passes over ___, oxygen is added |
|
|
Lungfish |
Which fish has special organs to serve as lungs? |
|
|
Maintaining water balance |
Homeostasis- |
|
|
Lose |
During excretion, salt water fish tend to ___ water |
|
|
Ostracoderm |
The earliest vertebrate fossil |
|
|
Lampreys and hagfishes |
Modern day jawless fishes that lack a bony skeleton • • |
|
|
Gain |
During excretion, freshwater fish tend to ___ water |
|
|
Cartilage fish |
Ex: Sharks, rays |
|
|
Jawless fishes |
Superclass Agnatha |
|
|
Have jaws |
Gnathostomates |
|
|
Placoderm |
-extinct jawed fishes of the Devonian Period |
|
|
Chondrichthyes |
Class C......s have a skeleton of cartilage |
|
|
Sharks, rays, skates |
Examples of Cartilaginous fishes |
|
|
Gill cover of bony fish |
Cartilaginous fish lack ________. |
|
|
Lateral line system |
Cartilaginous fish utilize______ |
|
|
Cartilaginous fish |
Can be filter feeders and predators |
|
|
Cartilaginous fish |
Pectoral fins can be enlarged into large, winglike fins |
|
|
Osteichthyes |
Class O........s have a skeleton of bone |
|
|
Bony fish |
Ex: salmon, catfish, goldfish |
|
|
Osteichthyes |
Most are ray finned fishes |
|
|
Lobe-finned fishes |
Small subgroup with fleshy fins supported by central bones |
|
|
Swim bladder |
Gas-filled sac in bony fishes |
|
|
Bony |
In ____ fishes volume can be altered to change buoyancy |
|
|
Members of the kingdom Animalia and phylum Chordata |
What is a chordate? |
|
|
Invertebrate |
In ____ chordates, the notochord persists and is never replaced by a vertebral column |
|
|
Fishes |
Aquatic, gill breathing vertebrates |
|
|
Fishes |
Usually have fins and scale-covered skin |
|
|
Placoderms |
Thought to be ancestral to sharks and bony fish |
|
|
Amphibians |
Ex: Frogs, salamanders |
|
|
Reptiles |
Ex: lizards, turtles |
|
|
Birds |
Ex: sparrows, hawk |
|
|
Mammals |
Ex: Humans, whales, cats |
|
|
Anything with gills, scales, fins... |
What are fish? |
|
|
Jawless |
1st fish were ___. |
|
|
Denovian Period |
"Age of Fishes" |
|
|
Animals with a backbone (and endoskeleton) |
What is a vertebrate? |
|
|
Vertebrates |
Have a spinal chord |
|
|
Dorsal, hollow nerve cord |
Spinal chord- |
|
|
Sharks |
Eat their siblings in the womb |
|