Oceanography Food Chain

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What do large animals need in a food chain?: Large animals need large amounts of energy and then therefore large amounts of food.
How many pounds of krill can a baleen whale eat in a day?: It can eat more than a thousand pounds of krill a day.
How many species of seals live in Antarctica?: 35.
How do animals on the ocean floor produce energy?: They use the hydrothermal energy from the hydrothermal vents to obtain hydrogen sulfide which is used to create energy.
Why would a fusiform shape be helpful?: A fusiform shape would then allow the animal to swim very fast and then chase prey and avoid predators as well.
What do most benthic organisms do to produce energy?: They perform chemosythesis.
How would organisms use poison or venom to get food?: They would use it to kill or knock out prey to eat.
How are food webs and food chains related?: A food web is a series of interlocking chains.
A killer whale is a ___ order consumer.: A killer whale is a 4th order consumer.
Which shark preys upon most fish, and seals?: The Great White Shark.
What is transfered through a food chain or a food web?: Energy is transfered through the food chain or web.
Which shark shares it name with a ferocious cat?: A tiger shark.
How much can a Crabeater seal weigh?: They can weigh up to 500 pounds.
In the deep depths of the ocean what it is common adaptation?: Bioluminescence is common adaptation in the deep depths of the ocean
What seal species was named after a famous explorer?: The Weddell seal.
How do sea anemones capture their prey?: Their tentacles are triggered by the slightest touch and they release a deadly neurotoxin that kills small prey.
What are benthos?: Benthos are plants and animals that live on or in the seafloor.
The electricity in an electric eel is useful how?: The electricity can be used to kill or knock out prey or predators.
What do killer whales eat?: They eat other marine mammals (whales, seals, and sea lions), sharks and rays, octopus and squids, seabirds such as penguins, and some even eat leatherback sea turtles.
What do herring eat?: Herring eat zooplankton.
How far do the Sun's rays penetrate in the ocean?: The Sun's rays penetrate 100m deep.
Approximately how many fur seals are there?: About 4 million.
Are there more carnivores than herbivores in the ocean?: There are more herbivores.
Do dolphins chew their food?: No they do not.
What is a pinniped?: A pinniped is a sea lion or a seal.
What is one of the oldest marine species on Earth?: Crabs.
Why are scavengers important?: They are important in getting rid of dead plants and animals.
What is one of the largest sharks in the world?: A tiger shark.
Which predator uses its sense of smell to locate prey?: The shark or the eel.
Name an organism that perfoms chemosynthesis.: Bacteria performs chemosythesis.
What is the largest shark?: The great white shark is the largest shark ever.
True or False? Seals live in Antarctica.: True.
What is photosythesis?: The process by which plants convert water and nutrients into energy by using sunlight.
What is a food chain?: A food chain is a chain which shows the transfer of food energy from one organism to another.
What do elephant seals eat?: Elephant seals eat squid, octopus, fish and sometimes even small sharks.
What does the 10% rule explain?: Only 10% of the energy is passed on. 90% of the energy is lost through heat.
What eats phytoplankton?: Zooplankton and baleen whales eat phytoplankton.
Why do many marine plants live near the top of the ocean?: So they can perform photosynthesis.
Why do many small fish and other organisms live in tide pools?: They offerprotection from predators and offer food.
What order consumers are salmon?: Salmon are tertiary consumers.
What helps animals search for more food?: The ability to change depths in the ocean.
True or False? Crabeater seals stay with their mothers for years.: False.
What would happen in the ocean if the Sun's light faded?: The palnts would die and eventually all life in the ocean would die.
Which concept governs the transfer of energy?: The 10% rule.
Why is the whale shaped in a streamlined shape?: They are shaped like this to help the whale swim faster to capture more food in its mouth.
What order consumers are herring?: Herring are second order consumers.
What is chemosythesis?: The use of chemical energy rather than sunlight for the production of energy.
What do blowholes on the top of dolphins and whales head do?: These allow them to breathe.
Why do sea anemones help crabs by providing camoflauge?: They help them so they can get food.
What do decomposers do?: They break down the final remains of almost every single marine organism.
How does the crab use its claws to catch prey?: The claws are used to capture their prey and then hold them in place or just kill it.
What kinds of organisms are decomposers?: They are mostly bacteria and fungi.
Where on the food pyramid is phytoplankton?: Phyoplankton are on the bottom of the food pyramid.
Which two marine animals eat each other?: The fish and the squid.
How much can fur seals weigh?: They can weigh up to 250 pounds.
What does the Portuguese Man-of-War eat?: It eats small fish and other small ocean animals that it stings with its long tentacles.
How would having a depressed shape help catch prey?: An animal could burrow themselves in the sand and then ambush prey.
How long can Weddell seals dive?: Over an hour.
How do anglerfish catch prey?: They use a fleshy "fishing lure" to catch their prey.
What are organisms who feed on producers called?: These organisms are called consumers.
Why do warm-blooded animals have special demands in cold seas?: They must maintain body temperature well above ambient sea temperatures. They also use a lot energy while chasing prey.
Why are whales so large?: They are so large because they can eat a lot of krill and phytoplankton without spending a lot of energy.
Why are plants situated near the surface of the water?: They are situated near the the surface because they need sunlight to perform photosynthesis.
Which seal eats baby Crabeater seals?: The leopard seal eats baby Crabeater seals.
How many seal species live in Antarctica?: About six seal species live in Antarctica.
At the bottom of the ocean what is at the bottom of the food chain?: Bacteria is at the bottom of the food chain at the bottom of the ocean.
How do dolphins find their prey?: Dolphins use echolocation to find their prey.
What do scavengers do?: They eat dead plants and animals.
Where does nearly all of the energy in the ocean come from?: The energy comes from the Sun.
Why do some animals have camoflauge?: Camoflauge helps the animals hide so they can then suprise their prey.
How do whales keep warm while hunting?: They have a thick layer of blubber around them.
If hunting why would an ocean animal need to make a sound to its pack?: Maybe to signal it had found food.
How far can Weddell seals dive?: 2000 feet.
What does phytoplankton eat?: Phytoplankton uses photosynthesis to make energy.
What do Crabeater seals eat?: Krill.
How many pounds of krill can an adult blue whale eat in a day?: It can eat about four thousand pounds of krill.
Where is the greatest source of food located?: The source is located in the waters of the continental shelf.
Which seal lives farthest south?: The Weddell seal.
What type of whale was Moby Dick?: Moby Dick was a sperm whale.
Why does the four-eye butterfly have false eye spots?: This is in hope that a predator will attack the eye spots instead of the real eyes
In the deep ocean what is the food chain based on? What is this process called?: The food chain is based on the conversion of chemicals into energy. This process is called chemosynthesis.
How many times a day does a Humpback Whale eat?: It eats two times a day.
What is the coloration of being white on top and black on bottom called?: This is called being counter-shaded.
What are plankton?: Plankton are marine organisms that drift with the ocean currents.
Why is a killer whale black and white?: The coloration enhances the ability to hunt.
What order consumers are zooplankton?: Zooplanton are primary consumers.
How much does a killer whale eat in a day?: They eat about 140-240 pounds of food in a day.
Why can whales afford to be so large?: They feed very close to the bottom of the food chain and little energy is used capturing them.
What is the largest species of seal?: The elephant seal is the largest species of seal.
How does the long-nose butterflyfish use its long slender snout to get food?: It can reach into places other fish can't and therefore get food.
What do sea lions and seals eat?: Sea lions and seals eat all kind of fish but mainly herring and salmon.
What three things do seals usually eat?: Fish, squid, and krill.
What are nekton?: Nekton are marine organisms that swim rather than drift.
Seals and sea lions are preyed upon by what animals?: They are preyed upon by only killer whales and some large sharks.
How does a ribbon shape help in the ocean?: This helps by being able to hide from predators and by helping ambush prey.
How would a fish gas bladder be helpful while hunting prey in the ocean?: If the prey can change depths then it would be helpful if the the predator could too.
Which fish has a symbiotic relationship with the sea anemone?: The clown fish has a symbiotic relationship with the sea anemone.
How fast does a killer whale swim while hunting prey?: 25-30 Miles per hour.
Which plant helps the clown fish have a home in its stinging tentacles?: The sea anemone.
What do barracudas eat?: Mostly small fish. Sometimes grunions and squid.

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