Term
| organisms of the epipelagic |
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Definition
planktonic organisms
phytoplankton
zooplankton
fishes
squid
marine mammals |
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Term
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Definition
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Term
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Definition
2.0-20 microns
coccolithophores, hyptophyta, crytpophyta, chrystophyta |
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Term
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Definition
20-200 microns
diatom, dinoflagellate |
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Term
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Definition
.2-20 mm
zooplankton, medusae, copepods |
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Term
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Definition
2-20 cm
shrimp, cone jellyfish |
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Term
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Definition
20-200 cm
jellyfish, sargassum leaf |
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Term
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Definition
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Term
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Definition
crustaceans 70%
hebavore and predator |
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Term
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Definition
| 1991 recognized 10 orders of copepods |
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Term
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Definition
| 2004 placed the poecliostomatoida into the cyclopodia making 9 orders of copepods |
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Term
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Definition
crustaceans
abundant in cold oceanic water
can be large (6 cm)
major food source for fish, seabirds and whales |
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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
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Definition
planktonic organism
can swim
independent with or without tunic |
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Term
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Definition
planktonic organism
a lot like humans
not pelagic but do have pelagic stages
notochord only in spine but doesnt stay
benthic |
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Term
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Definition
viscera
totally enclosed
can be chained up and massive |
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Term
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Definition
arrow worms but arent actually worms
feed on copepods
sagitta |
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Term
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Definition
can move away from adults
veliger |
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Term
| how plankton increase resistance to sinking |
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Definition
flatten the body
have long projections or spines
form chains |
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Term
| how plankton increase buoyancy |
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Definition
store lipids
gas pockets
gas filled float |
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Term
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Definition
transparent
countershading
vertical migration |
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Term
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Definition
| during different times they are located in different parts of the water column |
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Term
| why do zooplankton migrate |
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Definition
avoid predation
slow metabolism in deeper waters
avoid toxins produced by phytoplankton |
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