Test 1 Flashcards
List the 4 ways to test salinity.
1) Evaporation
2) Optical Reflectometer
3) Hydrometer
4) Conductivity meter
List the 5 differences between freshwater and saltwater.
1) size
2) salinity
3) movement
- currents and tides
4) permanent
5) big bio diversity
List the different salinities and ppt for them.
***Freshwater 40
Define long shore currents.
Current that goes parallel with the shore
List the three layers of the middle oceans.
1) surface layer
2) intermediate layer
3) deep layer
List the eight zones of the ocean and what is found there.
1) splash zone - periwinkles
2) supralittoral - spartina
3) littoral - greens, reds, & browns
4) Sublittoral - sea grasses
5) Continental shelf - oil rigs
6) Archibenthic - 200 to 1000 meters
7) Abyssal -
8) Hadal zone
List some structural adaptations of Chrysophyta.
1) bladder types
2) coin or disk like
3) needle or hair like
4) ribbon types
5) branched
What is the common name of Chrysophyta and what are the frustule made out of?
Golden algae
SiO2
Give an example of a thecate dinoflagellate and a naked one.
Ceratium = thecate
Peridinium = naked
Define tide.
The rhythmic rise and fall of the sea surface
Define tidal wave.
Tsunami - seismic disturbance - not related to the tide - not rhythmic
What is a red tide?
An algal bloom from dinoflagellates
Define Ebb tide.
The downward movement of water away from shore
Why do heroes leave with the morning tide?
Because the sun pulls the the tide out in the morning
Define Flood tide.
The upward movement of water toward the shore
Define Spring tide.
Tides wit a large tidal range. Occur around new and full moons.
Define Neap tides.
Tides with a small tidal range. Occur around quarter moons
What are two causative agents of tides?
Moon & sun cycle
Rotations of the earth, moon & sun
Define Mesoglea.
The layer between the epidermis and gastrodermis in Cnidarians
Define mesoderm.
The middle layer of tissue I developing embryos. Reproductive system and others
Define Pneumatocysts.
Air cells found only in some brown algae
Define Halophyte.
Salt tolerant plants
What makes Caulerpas’ holdfast different?
Grows in soft substrate
What are some characteristics of protozoans?
1) generally unicellular
2) important indicators in the petroleum industry
3) they fave flagella and/or cilia
What are the 3 types of naturally occurring liquids?
Water, oil, & mercury
What are some characteristics of radiolarians?
SiO2
Spherical symmetry
What’s a characteristic of sponges?
No well-developed tissues
What are some characteristics of sea anemones?
Nerve net
2 germ layers
What are some characteristics of sponges?
Sessile
Filter feeders
Spicules
- SiO2
- support
- triaxon
Choanocytes
- endocytosisWhat are some characteristics of Cnidaria?
Mostly marine Ectodermis Mesoglea Endodermis Radial symmetry
Can you draw the life cycles of Obelia & Aurelia?
Yes
