Oceanography Chapter 12 Quiz

Species diversity and total biomass are greater in warm-water marine environments in comparison to cold-water marine environments.

False

One reason that polar climates support a higher biomass is that colder water can hold more dissolved oxygen than warmer water.

True

Multicellular, eukaryotic organisms that range in complexity from simple sponges to complex vertebrates belong to the kingdom

Animalia

A small size is advantageous for marine organisms because it

All of these statements are advantageous to marine organisms

The hadal zone is associated with deep-ocean trenches.

True

The neritic province is associated with the continental shelf.

True

Neritic marine environments would be found

associated with continental shelves

Plankton

can never swim against a current

Meroplankton

floats for a portion of its life

Infauna

lives in benthic sediments

Epifauna

lives on top of benthic sediments

High-latitude ocean water tends to support large planktonic communities because

of higher dissolved oxygen and nutrient concentrations

Planktonic organisms often have needle-like structures that

prevent sinking

Nekton

swims for its entire life