apologia marine bio mod 13 | Baamboozle - Baamboozle

Describe the differences in appearance between a nektonic organism and a planktonic organism.

A planktonic organism will have something to hinder its descent in the water column, a nektonic organism will be streamlined to prevent drag.

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What is Meroplankton?

species of zoo plankton that spend only part of their lives as part of the planktonic community.

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What is the most common reason for vertical migration?

nocturnal vertical migration, organisms ascend to the surface around dusk, remaining at the surface for the night to feed

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Why can cyanobacteria survive in nutrient poor water?

They are nitrogen fixers, gaining nitrogen from N2 gas dissolved in the water.

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trap

No points!

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shark

Other team loses 25 points!

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shark

Other team loses 25 points!

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lifesaver

Give 15 points!

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Why is primary production so much higher near the equator?

Constant wind blowing parallel to the equator, which pushes surface water away, bringing up nutrient rich deep water up to the surface,

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trap

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fairy

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rocket

Go to first place!

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baam

Lose 25 points!

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Name a large nektonic organism in the epipelagic that is not a carnivorous predator.

Baleen whale, whale shark or basking shark

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Larvaceans are important predators in the epipelagic, as well as providing an important food source for other organisms. What do they eat and what do they provide?

a. they eat the pico and nano plankton b. they produce and shed mucous coverings many times as they grow.

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What is unique about the muscles of the nektonic organisms in the epipelagic?

They have red myoglobin rich interior muscles that are kept warmer for long distance swimming and white outer muscles for bursts of speed.

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Which epipelagic creatures undergo vertical migration and why?

Zooplankton daily leave the photic zone to deeper depths to escape predation.

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What is a form of camouflage used in the epipelagic and why?

Counter shading, because it is open sea, with nothing but the sky and the deep ocean to blend in with

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thief

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fairy

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shark

Other team loses 5 points!

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thief

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What is DOM

Dissolved organic matter, Organic material dissolved in ocean water (sugars, lipids,, cellulose)which picoplankton feed on

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What is the Neritic zone?

epipelagic waters lying over the continental shelf

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The violet shell is a predator that suspends itself upside down at the surface of the water using air-filled bubbles. What type of organism does it feed on? Plankton, nekton or neuston?

neuston

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