Vocab
The general term for the organ that produces gametes.
Gonad
A rod of tough, flexible material that runs the length of a creatures body, provide the majority of its support.
Notochord
Development that occurs inside the female, allowing the offspring to gain nutrients and vital substances from the mother through the placenta.
Viviparous development
Lampreys and hagfish belong to what group of fish?
jawless fish
Which main category of amphibians undergoes metamorphosis?
Frogs
A body region composed of the head and thorax fused together.
Cephalothorax
Name one example of a invertebrate chordate.
Tunicate (sea squirt), lancelet
A skeleton on the inside of a creature's body
Endoskeleton
Name 2 types of cartilaginous fish.
sharks
skates
rays
sawfish
What amphibian is in Order Caudata?
Salamanders
The body region posterior to the thorax.
Abdomen
What subphylum are lancelets found in?
Cephalachordata
What type of circulator system do all vertebrates have?
Closed
What is the common name for class Osteichthyes?
Bony fish
Which order includes skinks, bearded dragons, chameleons, monitors, iguanas?
Squamata
Insect development consisting of four stages: egg, larva, pupa and adult.
Complete metamorphosis
Vertebrae
Fish typically reproduce when the female lays her eggs and then the mail fertilizes them. What kind of development is this?
Oviparous development
The canal that runs the length of the shark's body.
Lateral Line
Name one characteristic that separates amphibians from reptiles.
skin
The organ of balance in a crustacean.
Statocyst
What are the 4 characteristics of chordates
1. hollow dorsal nerve cord
2. a notochord
3. pharyngeal slits
4. a tail
Name 2 characteristics of all vertebrates
backbone and skull (distinct head)
complex nervous system
closed circulatory system
paired appendages
bilateral symmetry
This organ allows the fish to float.
rough skin, dry scales
ectothermic
lungs
3 chambered heart
produce amniotic eggs with a leathery shell