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Lecture Exam 3
Final Exam Review
59
Biology
Undergraduate 1
05/02/2012

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Term
Which of the following is found only in chordates?
Definition
dorsal, tubular nerve chord
Term
In chordates, pharyngeal pouches or gill slits give rise to all of the following
Definition
- internal gills in fish
- filter feeding apparatus in protochordates
- eustachian tubes in some vertebrates
Term
The tegument of chordates may be modified to suite their life history. Which of the following are examples?
Definition
- mucous/poison glands in the epidermis of amphibians
- scales of reptiles
- bird feathers and beaks
- mammalian fur
Term
Which of the following groups of vertebrates was probably the ancestor of tetrapod vertebrates?
Definition
lobe-finned fishes
Term
An amniotic sac/membrane is characteristic of what vertebrate groups?
Definition
Reptilia, Mammalian, Aves
Term
Dietary category/classification that includes animals that feed primarily on plants and algae
Definition
herbivores
Term
Feeding mechanism that includes living in or no ones food source
Definition
substrate feeders
Term
Dietary category/classification that includes animals that feed primarily on other animals
Definition
carnivores
Term
What is the correct sequence by which food processing occurs?
Definition
ingestion -> digestion -> absorption -> elimination
Term
Type of blood cell that functions in transporting gases, like carbon dioxide
Definition
erythrocyte
Term
Type of blood cell that functions in defense against infectious agents, like bacteria and viruses
Definition
white blood cells
Term
Type of blood cell that functions in clotting the blood
Definition
platelet
Term
closed ambulacral grooves, lack tube feet
Definition
Ophiuroidea (brittle)
Term
largest class, readily detach arms when threatened
Definition
Ophiuroidea (brittle)
Term
reduced endoskeleton, sea cucumber
Definition
Holothuroidea
Term
retractable oral tentacles
Definition
Holothuroidea
Term
complex chewing mechanism called Aristotle's lantern
Definition
Echinoidea (urchin)
Term
sea urchins, heart urchins, sand dollars
Definition
Echinoidea (urchin)
Term
eater vascular system that includes a ring canal and radial canals
Definition
Asteroidea (star)
Term
endoskeleton made up of close fitting plates
Definition
Crinoidea, Ophiuroidea, Asteroidea, Echinoidea, Holothuroidea
Term
respond to a predator by evisceration of gonad and guts
Definition
Holothuroidea
Term
sea stars, feather stars
Definition
Ophiuroidea
Term
capable of bioluminescence
Definition
Crinoidea, Ophiuroidea, Asteroidea, Echinoidea, Holothuroidea
Term
sea lilies, feather stars
Definition
Crinoidea (feather)
Term
negatively phototropic
Definition
Ophiuroidea (brittle)
Term
pentaradial or secondary bilateral symmetry
Definition
Crinoidea, Ophiuroidea, Asteroidea, Echinoidea, Holothuroidea
Term
open ambulacral grooves
Definition
Asteroidea
Term
marine
Definition
Crinoidea, Ophiuroidea, Asteroidea, Echinoidea, Holothuroidea
Term
negative pressure breathing
Definition
Term
Cephalochordata
Definition
Term
postanal tail
Definition
Term
essential nutrient
Definition
Term
capillaries
Definition
Term
cardiac cycle
Definition
Term
catadromous migration in fishes
Definition
Term
hemoglobin
Definition
Term
pedicellariae
Definition
Term
paedomorphosis in amphibians
Definition
Term
peristalsis
Definition
Term
blood pressure
Definition
Term
The Class Osteichthyes, the bony fishes, is the most diverse and largest vertebrate group. Discuss how an operculum and a swim bladder have contributed to their ability to occupy a diversity of aquatic habitats.
Definition
Term
A birds entire anatomy is designed around flight. Discuss how three aspects of their anatomy support this statement.
Definition
Term
Compare the structures used by the following animals to carry our respiration (gas exchange): sea star, rainbow trout, frog, grasshopper, bird, and humans
Definition
Term
ring like valve that regulates the passage of food from the stomach into the small intestine
Definition
pyloric sphincter
Term
primary structure of digestion and nutrient absorption; lining composed of villi with microscopic appendages called microvilli
Definition
small intestine
Term
accessory glands that produce digestive enzymes that are transported to the alimentary canal
Definition
salivary gland, liver, gallbladder, pancreas
Term
ensure that food passes down the esophagus rather than the trachea
Definition
epiglottis
Term
ring like valve that regulates the passage of food from the esophagus into the stomach
Definition
cardiac sphincter
Term
tube into which food passes when you swallow
Definition
esophagus
Term
receives absorbed nutrients via the hepatic portal vessel; regulates the level of nutrients that get sent to the heart and ultimately distributed throughout the body
Definition
liver
Term
physical and chemical digestion of food begins here
Definition
oral cavity
Term
stores solid waste until eliminated
Definition
rectum
Term
first 25 cm of the small intestine, location of the majority of chemical digestion
Definition
duodenum
Term
gland that produces enzymes that beging the process of breaking down carbohydrates; also secrete buffering agents that neutralize acidic foods and substances that function as antimicrobial agents
Definition
salivary glad
Term
Describe blood flow through our circulatory system, beginning with the anterior and posterior vena cava's returning blood to the right atrium of your heart. Be sure to indicate where O2-CO2 exchange occurs
Definition
Term
GIve two examples of how the basic vertebrate digestive systems plan may be modified depending upon the diet of an organism
Definition
Types of teeth, length of digestive system, symbiotic relationship
Term
To which tetrapod vertebrate group do you belong?
Definition
Mammalian
Term
In mammals, the coelom is divided into three cavities. What are they?
Definition
Paracardial sac, thoracic, general body
Term
What do birds use to navigate during their annula migrations?
Definition
Landmarks (visual cues); Internal compass
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