Wasnesky
Marine Science Midterm Exam Review
Exam Format – The exam consists of the following: 20 T/F, 80 Multiple Choice, the completion of 5
essays (choosing from 8), the labeling of 4 diagrams (with word banks), and an essay in reaction to an
article (doesn’t count towards the 5 essays mentioned above).
Organization of the Animal Kingdom
What is an animal?
Three requirements for life
Major Phyla
Protozoa
What does it mean to be a plankton?
Parasitic
Porifera
Sponges
Coeleterata
Jellyfish, anemones, coral
Major evolutionary advancements
Platyhelmintes
Flatworms
Parasitic
Aschelminthes
Round and unsegmented worms
Parasitic
Annelida
Segmented worms
Major evolutionary advancements
Arthropoda
Most species on earth
Molluska
Soft body in a shell
Echinodermata
Spiny-skinned
Chordata
Complex
Have vertebrae
Protozoa
“First Animal”
Flagellate protozoans
Whip-like projection
Euglena, does photosynthesis
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Trypanosomes
African sleeping sickness
Parasitic
Volvox
Colonial
Dinoflagellates
Animal-like
Red tide and bioluminescence
Amoeboid protozoans
Psuedopod = false foot
Function?
Ciliated protozoans
Suctorians
Structures/methods for eating?
Spore-forming protozoans
Locomotion?
Danger to cells
Amoeba
Where are they found?
Structures
Ecto/endoplasm – location and function
Endoplasm phases
Osmoregulation
Purpose and structures
Phagocytosis
Process and structures involved
Porifera
Phylum Porifera = Pore-bearing
What do they lack?
Three classes
Spicules, what are they made of?
Simple and complex canal systems (names of each)
Structure and advantages
Sponge parts
Ostia, spongocoel, etc…
Process of how sponges obtain nutrients and structures involved
Which are used by people?
Structure
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Coelenterata
Four classes
Who doesn’t belong?
Major evolutionary advancements
Two forms
Symmetry of different jellyfish
Portuguese man-of-war structure
Obelia
Colonial organism
Aurelia
What is mesoglea?
Tissue types and locations
Eating
Ropalium functions
3 NJ jellyfish and characteristics
Polychaetes
Kingdom, phylum, class
Septa
Organ systems
Clam worm
Parapodia
Head
2 parts and functions
Diet types
Blood worm nests
Lug worm eating process
Mollusks
Kingdom, phylum
“mollis” = soft
Characteristics
Cavity, foot
Organ systems present
Meaning of each class name and characteristics
Radula function
Modified foot into tentacles
Nautilus as a gastropod
Arthropods
Phylum
Abundance
Arthropod characteristics
Exoskeleton compound  crusty
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Copepods
Zooplankton, importance
Acorn barnacles
Cirriped function
Isopod and amphipod characteristics
Echinoderms
Phylum and classes
Spiny-skinned
Sea star phylum
Kind of symmetry
What do they lack?
Water vascular system function/importance
Madreporite function
Feeding process
Sand dollar structure
Sea urchin anatomy
Location of mouth, anus
Sea urchin ecology
Sea cucumber characteristics
Feather star characateristics