Cetaceans
What are the two types of whales?
Baleen and toothed.
How long have sharks been on earth?
450,000,000 years.
What are fish?
Repiles
What are the five ocean zones?
Sunlight,twilight,midnight,abyssal,and the hadal zone.
What is a nekton?
Something that swims.
What are whales called when they die and sink to the bottom?
Whale falls.
How many sharks are killed by humans each year?
Around 100 million per year.
what zone do most fish live in?
The Sunlight zone
What are the five oceans?
Indian,Pacific,Southern,Arctic,Atlantic oceans.
What is plankton?
Something that floats near the surface.
What do dolphins use their teeth for?
To establish dominance, echolocation and defense.
What happens to a shark when it stops swimming?
It dies.
Are fish predators?
Mostly yes
What is the biggest ocean?
The Pacific.
What is benthos?
Something that lives on or sticks to the bottom.
What's the difference between a dolphin and a porpoise?
Dolphins have longer snouts?
How many teeth does a shark lose over a lifetime?
50,000
What do fish scales feel like?
What is the deepest ocean zone how deep?
The Hadal zone at 36,000
What category is the jellyfish considered to be in?
Plankton.
How do dolphins get water?
Through the fish they eat.
What are you more likely to get killed by, a cow or shark?
A cow.
Can fish drown?
Yes
What percent of earth is ocean?
72%
Why can't organisms live in water with high salt levels?
It would dehydrate them too much.