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marine biology test

9-weeks test (3-2-15)

What is the relationship between temperature and salinity in a tide pool as temperature goes up, salinity goes up (water evaporates leaving salt behind)
When a limped tries to attach itself to a rock, what is it trying to avoid? desiccation - an animal drying out
Understand the feeding or organisms in the intertidal zone, lower and upper portions (easier or difficult in certain zones) Lower tidal zone would have more food, water brings it in
Understand what a byssal thread is and what organisms produces them? Something that mussels produce to attach themselves to a surface and to acquire food; Mussels
Abiotic and Biotic factors, which are the lower and upper limits? abiotic regulate the upper limit, biotic regulate the lower limit
Know the variety of organisms and which zones has the most variety: upper, middle, or lower Lower because thats the one thats under water the most
Muddy intertidal area, where would you find the most variety of organisms, near the surface or deep down in the mud? Surface, mud doesn't have much oxygen production
According to most scientist when was the period that most estuaries were formed? ice age
What is a sessile organism? stays in one spot, lives at a given point
How does the salinity a sessile organism experience change throughout the day from high tide to low tide? If the tide is in, it experiences more salinity, if the tide is out it experiences less salinity
Know what euryhaline means Species that can tolerate a wide range of salinities
Know what stenohaline means Species that cannot tolerate a wide range of salinities
Know what brackish water means Mixed between fresh and salt water
Where are mangrove forests typically found? tropical zone
Which mangrove have salt glands? white mangroves
Which is more common in a mud flat? filter feeders or deposit feeders? deposit feeders
What does coral growth require to survive? 1. warm water, 2. sunlight, 3. hard substrate
Polyps connected by a thin layer of tissue, what is it called? Coenosarc
Name two ways a coral can asexually reproduce 1. budding, 2. grows upward and outward
Know how corals can obtain food 1. can trap plankton or extend filaments to catch food particles, 2. Photosynthesis of the zooxanthellae
What is most likely the explanation for the formation of an atoll? Started out as fringing reefs, that became a barrier reef and eventually turn into an atoll
If a coral has spicules, is it a stony or a soft coral? only a soft coral produces spicules
Benthos, nekton, plankton name which is where
Larval fish plankton
Tuna nekton
Lobster benthos
Stingray benthos
Manta ray nekton
Jellyfish plankton
If you're studying a soft-bottom shelf community in the tropics, what kind of sea grass will find there? turtle grass
Do most organisms that would feed on a sea grass eat it when it is alive or after its died after its died
Would you find seaweed in soft-bottom or hard-bottom substrate? hard-bottom substrate, needs a hard substrate to attach to
Looking at non-reproductive cells from kelps from same species, despite being from the same species they have different chromosomes, how can that be? Two generations, sporophyte and gameophyte
Created by: a.allsup