Lesson 1
Atlantic, Pacific, Indian, Arctic Ocean, Southern Ocean
What do we call animals that can swim?
(It comes from the Greek word that means swimming)
Nekton
Mammals are defined by what five characteristics?
Mammals have hair, give birth to live young, nurse their young, are warm-blooded and breathe air
What type of whale did whalers love the most?
The right whale
Name the two types of sirenians.
Manatees and Dugongs
What are the five ocean zones?
Sunlit zone, twilight zone, midnight zone, and abyssal plain
What are animals called that scurry, hop along, or crawl about?
Benthic animals
What are the two kinds of whales called?
Baleen and toothed whales
What is it called when dolphins race along near the surface of the water and makes low leaps out of the water?
Porpoising
What is the main difference between a manatee and a dugong?
The flukes on their tails- one rounded and one like a whale
What is a neap tide?
When the sun and the moon pull on the earth in different directions.
What are animals called that do not move at all?
Sessile
What is the end of a whale's tail called?
A fluke
What do Beluga whales do after they blow a bubble ring?
They swim through it!
What happens in a haul out?
Seals and sea lions pull themselves out to mate, give birth and sunbathe.
What is a spring tide?
When the sun and moon pull on the earth from the same direction.
What is the system of animal classification? Name each level of classification.
Kingdom, phylum, class, order, family, genus, species
Toothed whales use sounds to locate things and see under the water. What is this called?
Echolocation
What was the name of the large organ in the sperm whale which contained a great deal of oil?
Spermaceti
What is one difference between a seal and a sea lion?
Their ears
What are currents that flow in a circle, around and around all day called?
Gyres
Name three creatures that live in kelp forests.
sea urchins, octopus, squid, sharks, rays, seals, sea lion
What are the three main types of whale movement above the water called?
Spyhopping, lobtailing, and breaching
Why is the narwhal called the "unicorn of the sea?"
How are walruses different from seals and sea lions?
They can change their color based on their temperature, they have large tusks