Which of the following ecosystems will have antifreeze proteins in their fishes?

The second smallest type of plankton is...

These horseshoe crab larvae are termed_________ since they grow into entirely different adult forms.

A shower of yummy fecal matter and dead organic material falling from upper waters to the deep ocean.

The primary Threat to our Polar Seas is

Organisms down deep in hydrothermal vents that do not rely on sunlight to survive use this process ?

Organisms that drift in the ocean unable to swim against the currents.

Which of the following in NOT a factor affecting the deep sea?

Sea turtles, along with other animals, use the Sargassum in the Saragossa Sea for cover from predators and also a nursery.