Science: Test 8

This fish is the largest fish of all.

tuna

Ocean currents are moved primarily by _______.

oyster

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

name this fish

has deep trenches at its base

This fish is a man-eater.

Who used messages in bottles to help perform his experiments?

salmon

The largest animal that has ever lived is the _________?

shallow water

the study of the sea or ocean

contains underwater volcanoes

jellyfish

along the edges of the continents

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

blue whale

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

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

name this fish

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

Porpoise

seawater freezes at _____

Grenadiers viperfish, and other fish that live near ocean floors are strange looking because of their ____.

at the bottom of the ocean

white shark

contains flourishing plant life

seawater is dense because it contains ______

contains rich oil fields

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

dolphin

Name this bird

contains long mountain ranges called oceanic ridges

waves are caused by _______?

name this fish

The deepest spot in the Pacific Ocean

Name this bird

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

A knowledge of ________ helps make sea travel quicker.

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

sponge

name this fish