Term
| What characterists distinguish chordates from other phyla? |
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Definition
notochord
pharyngeal slits or pouches
dorsal tubular nerve cord
postanal tail
endostyle or thyroid gland |
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Term
| Do chordates always maintain their 5 unique characteristics? |
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Definition
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Term
Do chordates always maintain their 5 unique characteristics?
2 examples |
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Definition
not necessarily
-sea squirts only maintain as LARVAE
-Lancelets maintain throughout life cycles |
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Term
| in Craniata the skull surrounds the |
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Definition
brain
olfactory organs
eyes
inner ear |
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Term
| The vertebrae surrounds the ______ and provides primary _______ support. |
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Definition
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Term
| 3 types of jawless fish. 1 is extint |
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Definition
Ostracoderms (extinct)
hagfish
Lampreys |
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Term
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Definition
Class Chondrichthyes
Class Osteichthyes |
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Term
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Definition
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Term
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Definition
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Term
| Hagfish are _____ _______ |
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Definition
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Term
| What fish prodcues slime? |
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Definition
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Term
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Definition
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Term
| the word root "aspidos" means ______. |
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Definition
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Term
| Lampreys come from _____ & _____. |
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Definition
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Term
| lampreys as larvae are _________ and as adults they are _______ |
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Definition
| filter feeders; predators |
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Term
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Definition
| sharks, skates, rays, ratfishes |
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Term
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Definition
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Term
| catilaginous and bony fishs are successfull because of their: |
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Definition
| hinged jaw & paired appendages |
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Term
| Sharks are _______ _______ with a ________ |
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Definition
| marine; carnivore/scavegers; cartilaginous endoskeleton |
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Term
| Why are sharks successful predators |
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Definition
| light weight; heterocercal tail; efficient respiration (push or pump water across gills); placoid scales modified into teeth, spines & stings; effiecient sensory systems; long lived |
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Term
| Class Chondrichthyes reproduction |
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Definition
| oviparous (eggs), ovoviviparous (dev. in uterus), viviparous |
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Term
| difference betwn ray-finned fishes and lobe-finned fishes |
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Definition
ray= with swim bladders
lobe= ancestors with lungs and gills |
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Term
| Are lungfish the ancestors of terrestiral vertebrates? |
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Definition
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Term
| lungfish have___ as well as ____ |
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Definition
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Term
lobe-finned fish movement: (3 things)
requires _____ energy than running |
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Definition
streamlines shape
mucoid secretions
fins & muscles (MYOMERES);
LESS |
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Term
Buoyancy regulation
ex for shark |
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Definition
low density compounds (skarks= liver)
fins
less dense tissues and bones
swim bladder |
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Term
| what has ____ of the oxygen present in air |
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Definition
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Term
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Definition
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Term
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Definition
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Term
| Osmoregulation for fish in freshwater and marine water; which drink?; what type of urine? |
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Definition
freshwater: water gain, ion loss; don't drink; dilute pee
marine: water loss (hypo), ion gain; drink; concentrated pee |
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Term
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Definition
spend most of life in freshwater but go to sea to spawn;
EEL |
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Term
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Definition
adult lives at sea, freshwater to spawn
SALMON |
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Term
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Definition
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Term
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Definition
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Term
| Myriapoda are all ____________. The habits are different than other arthopods because they now have _______ and _______. Their exoskeleton is better for _______ & _______. Now they can _______ |
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Definition
terrestrial
plentiful resourcse & little competition
support & water conserving
fly |
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Term
Myriapoda have ___ tagmata
called the _______ & _______ |
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Definition
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Term
Phylum Arthropoda
Subclass Myriapoda
Class Diplopoda |
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Definition
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Term
Millipedes have __ pairs legs per segment
Centipedes have __ pairs legs per segment
both are _______ |
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Definition
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Term
Millipedes have _______.
feeding: |
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Definition
rep glands
burrowers & detritivores |
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Term
Phylum Arthropoda
Subclass Myriapoda
Class Chilopoda |
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Definition
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Term
Centipedes have a _______.
feeding
rep habits |
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Definition
poision claw
predators
courtship displays |
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Term
| Centipede male or female produce sillk net |
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Definition
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Term
| Crustacean characteristics: how many tagmata? |
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Definition
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Term
| Subphylum Hexapoda contains: |
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Definition
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Term
| Crustaceans have no _______ in their stomach |
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Definition
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Term
| Crustaceans have _______ to respirate and have a _______ circ. system |
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Definition
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Term
| All crustaceans except barnacles are _______ |
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Definition
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Term
| Class Branchiopoda example |
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Definition
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Term
| Class Maxillopoda examples: |
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Definition
| ostracods, copepods, barnacles |
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Term
Largest class of Crustaceans:
examples of this class
not all are _______ |
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Definition
Malacostraca; crabs, lobsters
aquatic |
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Term
| Insects have _______ legs and _______ tagmata |
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Definition
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Term
| The most successful land animals |
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Definition
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Term
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Definition
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Term
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Definition
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Term
| insects chemical communication |
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Definition
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Term
| Echinoderms are all _______. |
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Definition
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Term
| Echinoderms exoskeleton is composed of |
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Definition
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Term
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Definition
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Term
| 5 characteristics of echinoderms |
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Definition
| calcareous exoskeleton, water-vascular system, pedicellariae, dermal branchiae, pent. sym |
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Term
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Definition
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Term
Class Asteroidea example
_______ downward
adult sym is _______, larvae sym is _______ |
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Definition
sea star
mouth
pentaradial; bilateral |
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Term
| When members of class Asteroidea move, contractino of muscles in a an _______ forces fluid into the tube foot extending it |
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Definition
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Term
Concerning water-vascular system of echinoderms.
It is _______ to Phylum Echinodermata. It provides _______ power. It's primary function is _______ & _______. It is a modification of the _______. |
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Definition
| unique; hydraulic;food gathering & locomotion; coelom |
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Term
| the madreporite is on the _______ surface (oral or aboral) |
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Definition
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Term
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Definition
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Term
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Definition
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Term
| Examples of Class Echinoidea |
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Definition
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Term
| sea urchins chewing mechanism |
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Definition
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Term
| Examples of Class Holothururoidea |
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Definition
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Term
| modified tube feet located around the mouth of some members of the class holothuroidea. They are used in feeding. |
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Definition
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Term
| members of Phylum Echinodermata are _______ & _______ |
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Definition
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Term
| What happens to sea cucumbers during during evisceration? |
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Definition
| expulsion of digestive tract |
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Term
hemichordata have a _______ circ. system.
symmetry |
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Definition
open circ. system
bilateral |
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Term
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Definition
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Term
| unique characteristics to Phylum characteristics |
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Definition
| notochord, dorsal hollow nerve cord, pharyngeal slits or pounches, endostyle/thyroid gland, postanal tail |
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Term
| the notochord allows for _______ |
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Definition
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Term
| notocord evolves into _______ or _______ |
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Definition
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Term
| chordate succes comes from the _______ characteristic bc at the top there is a _______ |
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Definition
| dorsal hollow nerve cord; brain |
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Term
| paryyngeal slits are mainly _______ and are used for _______/_______ |
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Definition
| embryonic; filter feeding/gas exchange |
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Term
the endostyle secretes _______
the thyroid glad secretes _______ |
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Definition
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Term
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Definition
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Term
| members of subphylum Urochordata are surrounded by a |
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Definition
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Term
| Urochordata have _______ and _______ siphons that are used in feeding and reproduction. Also used in feeding are the _______, _______, & _______ |
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Definition
incurrent & excurrent.
stomach, endostyle, & stolon |
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Term
| in Urochordata (tunicates & sea squirts) the _______ does not extend to the head region |
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Definition
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Term
| Subphylum Cephalochordata |
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Definition
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