Animals
What percent of all marine creatures live in coastal waters?
90%
Are coral reefs animals or plants?
Animals (polyp)
What plant/tree are often found in salty coastal waters?
Mangrove
What covers the shallow tropical waters in Everglades National Park in southern Florida?
Kelp
What is the name of the process when humans are fishing too much and are causing marine populations to decrease?
Overfishing
How do dolphins search for food?
Echolocation
Give 2 reasons why most coral reefs are not in pristine condition?
Climate change and overfishing
When young fish leave the mangroves, where do they usually live next?
Coral reefs
What causes the coral reefs in Australia’s Great Barrier Reef to bleach and loose it’s colors?
Unusually warm temperatures
Name 2 sea plants found in shallow seas that help reduce the damage caused by the recent warming of our seas?
Seagrass and mangrove
What marine species is missing that is an important community member in keeping the coral reefs pristine?
Sharks
What is the name of the remotest reef in the Pacific Ocean where sharks are safe from overfishing?
French Polynesian
Where do sea otters nestle in?
Kelp canopies (uppermost layer of kelp forest)
What species is negatively affecting the kelp forests in California?
Purple sea urchins
Due to the carbon dioxide that causes global warming, what does seawater become?
Acidic
What type of fish keep corals free of seaweeds and parasites?
Grazers
What lives within the tissues of the corals that give them both their color and most of their nourishment?
Microscopic plants
What marine species are taking over water that were once dominated by fish?
Jellyfish
After a cold winter in Alaska, what species of fish gather to breed in the first rays of the sun?
Herring
Global warming is affecting marine ________ in oceans and seas.
Biodiversity
What type of fish help keep down the number of sea urchins in kelp forests?
Sheephead wrasse
In the world, what percent of coral reefs have already died?
50% (the rest can be gone in the next few decades)
Humpback whales are usually found in the tropics, but where to they travel to during feeding season?
Shallow waters
Herring used to turn shorelines white with spawn right across which part of the Pacific Ocean between Japan to California?
North pacific ocean
Name two other things that are negatively affecting coastal seas caused by humans that were not mentioned in the documentary.
Introduction of invasive species, pollution, urbanization, man-made infrastructure