______ is harmful waste in the sea.
Pollution
Water is ______ that we need to protect.
A resource
If we don't protect sea life, many animals might ______.
Disappear
A dolphin is ______ that lives in the ocean.
A creature
The ozone is ______ that protects the Earth.
A layer
The twilight ______ in the ocean has little light.
Zone
The sun gives the ocean ______.
Sunlight
The ______ zone is the darkest part of the ocean.
Midnight
______ is the largest sea mammal.
A whale
______ has ten arms and lives deep in the sea.
A squid
______ is a friendly sea creature known for jumping out of the water.
A dolphin
______ is a common sea creature people eat.
A fish
______ is known for its sharp teeth and fast swimming.
A shark
______ has a hard shell and swims slowly in the ocean.
A turtle
______ has eight arms and can change its color.
An octopus
______ lives on the ocean floor and absorbs water.
A sea sponge
