Download Marine Biology Final Exam Questions and Answers and more Exams Nursing in PDF only on Docsity!
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During feeding, sharks have a _________ that covers their eyes for protection. - Correct Answers ✅Nictating membrane The shark with the longest fin is the __________. - Correct Answers ✅Thresher shark Which shark attacks humans the most? - Correct Answers ✅Great White Which one is a filter feeder? A. Sting Rays B. Sand Sharks C. Manta Rays D. Dogfish Sharks - Correct Answers ✅C. Manta Rays A Mako shark can swim very fast. They have been tracked at _________ mph. - Correct Answers ✅45 to 60 True or False: Piked Dogfish sharks are the only sharks found in freshwater. - Correct Answers ✅False. Most sharks are found in freshwater. Piked dogfish sharks are only found in saltwater. True or False: Sharks are always aggressive. - Correct Answers ✅False.
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What is a baby dogfish shark called? - Correct Answers ✅A fry Where are the eyes of a manta ray and a skate located? - Correct Answers ✅On the top of their head. Do sharks have a swim bladder? - Correct Answers ✅No True or False: Sand sharks like to travel alone. They are independent creatures. - Correct Answers ✅False. They swim in schools and find a mate. Do sting rays lay eggs? - Correct Answers ✅No, they have a live birth. True or False: Sharks love to eat humans. - Correct Answers ✅False, they think humans taste bad! True or False: Sting rays have bones made from calcium. - Correct Answers ✅False, they have no bones. Demersal - Correct Answers ✅Fishes that live on the bottom of the ocean.
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the protective mucus on their skin and make them more prone to viruses and infections.
- People hunt manta rays for meat and oil.
- Manta Rays can help people go to the surface.
- Very curious about divers. Mako Shark - Correct Answers ✅Grow to be 6 to 9 feet in length, like temperate and tropical waters, leap out of water about 20 feet, feed on tuna and swordfish. Hammerhead - Correct Answers ✅Give live births, weigh up to 1,000 lbs. Can tan in the sun but won't be burned, each eye moves independently. Great White - Correct Answers ✅26 upper teeth and 24 lower, very aggressive, weigh about 50 lbs at birth, can hold head up to see prey out of water. Dogfish Shark - Correct Answers ✅Found in oceans all over the world, lacks an anal fin, lives 25-80 years, aggressive. Thresher Shark - Correct Answers ✅Shy and difficult to approach, slow growing, live about 22 years of age, have large eyes.
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Sand Shark - Correct Answers ✅Found in shallow coastline waters, carnivores, teeth still show even when mouth is closed, brown to gray in color. Sharks do not have swim bladders. How do they stay afloat and not sink? - Correct Answers ✅1. They store oil in their liver which allows them some sense of buoyancy.
- The heterocercal tail is asymmetrical, this provides lift along with the horizontal tail. Describe how rays and skates eat. - Correct Answers ✅They burrow under the sand to sneak up on their prey to eat it. They use plates to crush prey. A shark does not have bones like we do, their structure is made from ____________. - Correct Answers ✅cartilage What does a lateral line do for sharks and boney fish? - Correct Answers ✅The lateral line, which stretches from their head to the tail, is a fluid filled sensory canal sensitive to vibrations. Explain what vertical migration is and explain why several deep-sea critters use vertical migration. - Correct Answers ✅Vertical migration is when a fish swims closer to the surface at night to find food, because there is very little of it in the
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What type of circulatory system does a clam have? - Correct Answers ✅Open What muscular structure does a clam use to dig into the sand? - Correct Answers ✅Foot What type of symmetry does a sea star have? - Correct Answers ✅Radial symmetry The strong muscle that keeps the clam shell sealed shut is called the - - Correct Answers ✅Abductor muscle. The oldest section of the clam's shell is called the - - Correct Answers ✅Umbo Why does the hard clam population decrease? - Correct Answers ✅Algae blooms, pollution, over harvesting What does a clam use to remove oxygen, has a featherlike appearance, and there are two within the shell? - Correct Answers ✅Gills What do you call the top view of the sea star? - Correct Answers ✅Aboral view.
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Sea stars feed on what? - Correct Answers ✅Bivalves, mussels, clams Oyster reefs create habitats in tidal areas. What are some of the creatures that inhabit the estuaries in the bay? - Correct Answers ✅Mussels, barnacles, sea anemones, crabs, turtles, seahorses. The longest living bivalves can live to be ________ years old. - Correct Answers ✅ 40 The mouth of the sea start is located in the _________. - Correct Answers ✅Oral surface Which of the following is not something that a clam would eat? a. Fish b. Algae c. Snails d. Plankton - Correct Answers ✅a. Fish The mussels have strong filaments that attach themselves to rocks. These filaments are called? - Correct Answers ✅Byssal threads
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Ampulla - Correct Answers ✅A bulbous-like structure at the top of each tube foot, circular muscles contract around each one. Madreporite - Correct Answers ✅Opening for water to enter the vascular system Gonads - Correct Answers ✅Yellowish/white reproduction organ. True or False: Sea stars use tube feet to move from location to location. - Correct Answers ✅True True or False: The water vascular system of the sea star runs from the madreporite, through the stone canal, to the ring canal. - Correct Answers ✅True True or False: Sea stars are in phylum Chordata. - Correct Answers ✅False True or False: Pearls are made from coelomic fluid. - Correct Answers ✅False True or False: Not all sea stars can regenerate, for those that do, it can take up to a year to regrow an arm. - Correct Answers ✅False. All sea stars regenerate.
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True or False: The top side of a clam is called the dorsal view.
- Correct Answers ✅True True or False: Starfish have eye spots - Correct Answers ✅True Euryhaline Species - Correct Answers ✅Can tolerate a wide range of salinities. Usually live in tide pools. Examples: Molly, green crabs, eels, herring, salmon. Stenohaline Species - Correct Answers ✅Can tolerate a narrow range of salinities. Examples: tuna, haddock, lamprey, goldfish. Meiofauna - Correct Answers ✅Microscopic organisms living in between marine sediment particles. Brackish - Correct Answers ✅Less salty than sea water but saltier than fresh water. Outwelling - Correct Answers ✅The export of detritus and other organic matter from estuaries to other ecosystems.
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cornea, an iris, and a pupil in the center. The eyes also function similarly to that of vertebrates. Which structure of the squid anatomy is used for locomotion but also plays a role in respiration? - Correct Answers ✅The siphon. The squid can propel itself by bringing the water into the mantle with the help of inhalant siphons and then shooting the water out of the siphon by contracting its muscles in the mantle. The siphon also helps in respiration because the water it inhales moves over the gills and the gills take the oxygen out of it. Where do icebergs come from? - Correct Answers ✅Glaciers In class, we spoke at length about the Ice Age. Where did I propose it began? - Correct Answers ✅After the flood. The ________ of the glacier is where the glacier begins. - Correct Answers ✅Head The ___________ _________ of the glacier is where snow and ice accumulate and is located above the ablation zone. - Correct Answers ✅Accumulation Zone True or False: There is scientific proof of an ice age. - Correct Answers ✅True
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True or False: In Genesis 8, we see that God spread out the animals and multiplied them over the earth. - Correct Answers ✅True True or False: Ablation zone is the area of a glacier that is above the accumulation zone and there is a huge amount of ice present. - Correct Answers ✅False. True or False: Channels are not usually very deep so that is why humans have to go and dig them out. - Correct Answers ✅False Fjord - Correct Answers ✅Glaciers cutting deep into the earth, valley is partly submerged and a river flows into them. Barrier Island - Correct Answers ✅Sand builds up to form new land, the sand protects the land from ocean waves. Tectonic - Correct Answers ✅Moving of the Earth's plates can cause a basin to form and the ocean water will fill up the hole. River Delta - Correct Answers ✅Deposits of sediments all along the coast forming new land, spread out like a fan.
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What are the plants like in a salt marsh? - Correct Answers ✅Plants are hearty and can withstand saltwater and various temperatures. We discussed 3 types of natural channels. Name all 3. - Correct Answers ✅English Channel, New York Harbor, Corinth Canal. Now, can you name a man made channel? - Correct Answers ✅Panama Canal What type of weather would need to occur during the summer and winter months around a glacier to cause an ice age? - Correct Answers ✅Cool summers where little to no snow and ice melts, winters would need to produce a lot of water to build up snow and ice. How are glaciers formed? - Correct Answers ✅Ice and snow do not have a chance to melt so they are continually building layers, packing on on top of another.
