Science: Test 8

This fish is a man-eater.

Who used messages in bottles to help perform his experiments?

made primarily of mud and sand deposited by rivers as they empty into the ocean

This fish has huge winglike fins which make it appear to fly through the water.

has deep trenches at its base

This fish is caught for its meat and for the oil in its liver, which is high in vitamins A and D.

contains rich oil fields

seawater freezes at _____

the deepest spot in the ocean

at the bottom of the ocean

This fish is unique because it always leaves the ocean and returns to the stream where it was born to lay its eggs.

contains long mountain ranges called oceanic ridges

Fish are able to get oxygen from the water with their ______?

along the edges of the continents

the study of the sea or ocean

shallow water

contains flourishing plant life

contains underwater volcanoes

Ocean currents are moved primarily by _______.

The largest animal that has ever lived is the _________?

This invertebrate has the largest brain and is thought to be the most intelligent invertebrate.

This kind of whale was hunted for its oil and ambergris.

waves are caused by _______?

This fish is the largest fish of all.

seawater is dense because it contains ______

A knowledge of ________ helps make sea travel quicker.

contains almost all the fish that are caught to be sold for food