What are the 7 steps in the Linnean Sysyem of classification? What is the scientific name?
Kingom,phylum,class,order,family,genus, species,... Scientific name=genus species
How many kingdoms of life exist? name them
6= Eubacteria, Archaebacteria,protista, plantae,fingi, animalia
Whta is chlorplast? What marine organisms use them?
They are organisms within cells used in photosynthesis, Plants and algae have them.
What is the difference between Prokaryotic and eukaryotic cells.
the first one has no nucleus, and the 2nd one has a nucleus, ER,mitochondria, & golgi complex
How are Archae and bacteria similar?
They have a similar prokaryotic structure features; Similar structure.
Name 3 classes of microscopic maarine algae.How do they differ?
Cyanophyte-cytoplasm, cell wall, and sheath; Dinophyta-Bioluminece; and Diatom-2 part silicon shell.
Microplankton fall in a range of size between___ and ___ microns
20 and 200
What color are rhodophyta?
What color is chlorophyta?
What is the largest brown algae? Why is it important?
Kelp; they serve as a habitat
What phyla contain the sponges? What are their 2 major tissue types?
Porifera; collar cells and amoebocytes
How do sponges feed?
Cnidarians have_____ symmetry
What is a nematocyst?
stinging cells on cnidarians
What class contains fire coral and siphonophores?
Name one type of siphonophore?
Portuguese man of war
What is platyhelminthes?
Flat worm 2 way digestive system
WHat is nemertea?
Flat worm, one way digestive system, seperate mouth and anus
What is nematoda?
Paracitic, one way digestive system, true segmentation
What is bivalve? give example
2 hinged shell, filter feed; oyster
What is cephalopod? give example
No shell, high developed nervous system; octopus
What is a gastropod? give example
Torsion, rearranges major organs; snail
name 2 mollusks?
Clam and squid
What distinguishes annelids from other worms?what annelid is important to the marine environment?
They have segmented bodies; polychaete
What charcteristics of barnacles set them aside as class Cirripedia?
They settle upside down
What are krill and copopods important to food webs?
They are the the base without them bigger animals would die.
How many legs does a decapod have?give 2 examples
10 legs; lobsters and shrimp
How are enchinoderms similar to chordates?
They are invertebrates
What are feather stars?
they are nocturnal
What are brittle stars?
have long slender legs and single set of organs
What are sea stars?
they regenerate limbs
Wht class are brittle stars, feather stars, and sea stars in?
sand dollars are in class_____ which is charcterized by _______ and _______.
echinoidea, five section body, and tube feet
Name 3 invertebrate chordates.
name 2 jawless fish and their class.
class agnatha; lampreys and hagfish
What charcteristics do members of class Condrichthyes share?
They have jaws and a cartilaginous skeleton
How are rays physically different from sharks?
they are flat
What oragan do sharks use to detect electrical currents in the water?
ampullae of Lorenzini
How do sharks and rays control buoyancy?
What do condrichthyes have?
Lack swim bladder, and have cartilaginous skeleton
WHat do Osteichthyes have?
Swim bladder and bone skeleton
Elasmobranch reproduction is?
Bony fish reproduction is
What two orders of bony fish are important to worldwide fisheries?
gladiforms and cubeiformes
How do bony fish control buoyancy?
through a swim bladder
What does the lateral line of sharks and fish do?
Describe the body shape of paleagic fish.
long and thin
Describe the body shape of reef fish.
Short and fat
How do marine iguanas expel salt?
How do turtles expel salt?
describe some adaptions of marine birds for life in or near the water.
Webbed feet and bill(beak) adaptions
why is guano important to marine ecosystems?
Marine bird poop fertelizes water
name 3 members of suborder Odontoceti?
what is baleen and how is it used?
a brush like fringe that flitter shrimp and krill from ocean
Lack ear flaps and fins can rotate backwards
Descirbe sea lions
Have ear flaps and can sit upright and run
Why are manatees and dugongs called sirens?
sailors mistaked them as mermaids and ened up drowning because they were drunk
What human activities have endangered marine animals?
whaling, bycatching, pollution, overfishing, and hunting