Exam 17: The Open Sea

Define the term "marine snow." What is it composed of? How is it affected by bacteria and other marine zooplankton? How does marine snow aid in the deposition of marine sediments?

An example of mesoplankton would be

Plankton that can be caught with a standard plankton net are called:

Match the species with its most closely associated size/ trophic level. -Macrozooplankton

Match the phenomena with a closely associated term. -Deep scattering layer

Match the species with its most closely associated size/ trophic level. -Microzooplankton

What is micropatchiness, and what factors give rise to micropatchiness in the open sea?

Match the phenomena with a closely associated term. -Micropatchiness

Squids are dominant nektonic predators in the open ocean.

Phytoplankton of the open ocean are very small in order to:

Marine snow is an important source of food for many pelagic organisms.

To avoid sinking the purple sea snail

What is meant by the terms "holoplankton" and "meroplankton"?

Those organisms that can swim strongly against ocean currents are called:

The base of the food web in the open ocean and the bottom beneath the open ocean is:

Phytoplankton patchiness in the epipelagic can occur when:

Particles suspended in the sea are called: