Section 1
What are nekton?
Animals that swim to oppose currents.
Which organisms are carried by ocean currents?
Plankton
Many scientists believe life originated in...
Deep-sea hydrothermal vents.
All invertebrates lack a(n)...
Backbone
Endothermic organisms use their metabolism PRIMARILY to...
Maintain body temperature.
What are seamounts?
Underwater volcanic peaks.
Oceanic crust PRIMARILY consists of...
Basalt
Lipids are PRIMARILY used for...
Energy storage
Which material comprises the shells of molluscs?
calcium carbonate
An organism’s plasticity specifically refers to its ability to...
Adapt to the environment.
How can a scientist best measure ocean depth?
Echo Sounder.
Volcanic activity MOST commonly occurs on a(n)...
Active margin.
Aerobic respiration uses oxygen to...
Breakdown sugars.
Which organism is NOT a crustacean?
a. beachhopper
b. lobster
c. horseshoe crab
d. copepods
e. shrimp
c. horseshoe crab
Osmoconformers lack the ability to...
Maintain a salt and water balance.
“Sonar” is an acronym meaning?
Sound navigation ranging
The Atlantic Ocean was named after a...
Greek Titan
Diatoms will usually aggregate together as (shape)
Stars
Tetrapods directly evolved from... comb fish, marine fish, echinoderms, arthropods, worms
Marine fish
Which species forms kelp forests?
Macrocystis pyrifera.
Where is the ocean’s pelagic environment?
In the water column.
How do transform plate boundaries form?
Two tectonic plates slide past each other.
Which color will phycoerythrin accumulation cause bacteria to appear?
Red
Approximately when did mammals evolve from reptiles?
200 million years ago
Biomagnification is the phenomenon through which...
Toxins increase in the food chain