Fish
Fish breathe underwater using these.
What are gills
The biggest whale in the ocean at 90 feet.
What is the blue whale
The most intelligent invertebrate species on Earth
What are octopi
All life originates here
What is the ocean
This is the study of life in the oceans and other saltwater environments such as estuaries and wetlands.
What is marine biology
Bony fish have a backbone. This means that they are...
What are vertebrates
This ancient & unused body structure is found in most modern day whales.
What is a hip bone
This external shell found on many members of the Arthropod phylum is used for structural support and protection
What is an exoskeleton
Occurring approximately 541 million years ago, this was an eruption of evolution from which nearly all modern day animal phyla originate
What is the Cambrian Explosion
Water covers ____ percentage of Earth's surface
What is 70%
Nemo (from the Pixar film) and other clown fish live in this plant-like animal.
What is an anemone.
Dolphins use this rare sense to detect things in the water
What is echolocation
This defense mechanism is found in many members of the cephalopod class and helps them blend into their environment
What is camouflage
This ancient sea monster's name literally translates to 'big toothed'
What is megalodon
This is the deepest part of Earth and stretches over 7 miles under the Ocean surface
What is the Mariana Trench
Many fish have this fin on the top of their head or body.
What is a dorsal fin.
Dolphins are among the only animals known to have passed this test of self-recognition
The most venomous marine animal on Earth
What is the box jellyfish
This evolutionary weapon dates back 530 million years ago and is found in nearly every apex predator on Earth today
What are jaws
This is the single most destructive pollution to affect ocean life
What are plastics
If bony fish have bones, then sharks have...
What is cartilage
The technical term used to describe an order of entirely aquatic mammals (whales, dolphins, porpoises)
What is cetacea
The name of the the middle section of segmented animals, between the head and the abdomen
What is a thorax
This group of fish are among the oldest surviving vertebrates on Earth
What are sharks
This order of animals has the strongest bite force on Earth
What are crocodiles