Oceans
Name the 4 ocean basins.
Atlantic, Pacific, Indian and Arctic
These invertebrates can be one of two forms: a polyp or a medusa. Name the phylum or one of the organisms.
Cnidarians : consist of jellyfish, sea anemones and coral.
What are the 2 types of fish?
Bony and Non-bony or Cartilaginous.
Cyanobacteria is also called blue-green algae. Is it a bacteria or an algae?
It is a bacteria.
How do marine vertebrates breathe?
With lungs.
Which of the 5 layers of the ocean gets the most sunlight?
The sunlight or epipelagic layer.
Which invertebrates have many pores to take in water which flows through them so each cell can take in nutrients?
The phylum Porifera or sponges.
What are gills used for?
They take in oxygen from the water.
What do single-celled eukaryotic algae produce for the planet?
Oxygen.
How are marine turtles' bodies different from land turtles?
Marine turtles cannot draw their legs and head into their shell. Their feet are flipper shaped for swimming.
Which layer of the ocean has the highest pressure?
The trench or hadalpelagic layer.
Which phylum includes snails, clams, squid, and octopuses?
Mollusca or mollusks.
How are sharks designed form fast swimming?
Torpedo shaped body.
What are multi-celled algae called?
Seaweed.
Describe how a penguin's coloration provides camouflage.
Black backs can't be seen from above when it's swimming. It's white belly can't be seen from below in the water, against the sunlight.
Which layer is the midnight layer?
The middle layer. There is no sunlight but some fish create their own light.
Which phylum includes organisms with 5 radiating parts, such as sea stars, sea urchins and sand dollars.
Echinoderms.
How does a bony fish maintain its buoyancy?
A gas-filled sac called an air bladder.
Why doesn't seaweed need to have leaves, stems or roots?
Since they are immersed in water they are able to take in nutrients and remove wastes continuously.
What are the 2 types of whales?
Baleen and toothed.
Why is cyanobacteria so important to ocean life.
They take nitrogen gas from the atmosphere and transform it into a usable form for living things.
Name a crustacean.
Shrimp , lobster, crab.
Where is the mouth of a bony fish located?
Front tip of the body.
What is the only plant group that is completely marine?
Sea grasses.
How do deep see creatures see in the dark?
They produce light by bioluminescence.