Sharks - Study guides, Revision notes & Summaries

Phylogeny - Classification of organisms according to evolutionary relationships. Taxonomy - Evolutionary classification Linnaean system of classification (taxonomy) - Domain> Kingdom> Phylum> Class> Order> Family> Genus> Species (Did King Phillip Come Over For Grandma's Soup) [ex. Homo sapien](italicized) Phylogeny relationships - Basal Group: Branch from oldest common ancestor, no other branch from species. Sister Taxa: Share common ancestor Homologies - Comparing...

During feeding, sharks have a _________ that covers their eyes for protection. Nictating membrane The shark with the longest fin is the __________. Thresher shark Which shark attacks humans the most? Great White Which one is a filter feeder? A. Sting Rays B. Sand Sharks C. Manta Rays D. Dogfish Sharks C. Manta Rays A Mako shark can swim very fast. They have been tracked at _________ mph. 45 to 60 True or False: Piked Dogfish sharks are the only sharks found in freshwater. False. M...

fish correct answers singular and Plural for a single species fishes correct answers plural for more than one species about how many well characterized/described species correct answers about 28,000 about how many species are estimated correct answers about 32,000-35,000 how much of water on earth is salt water? correct answers 97.5% How much water on Earth is freshwater? correct answers 2.5% of the freshwater how much is in liquid form on the surface? correct answers 0.3% A...

Scientists hypothesize that vertebrate jaws evolved from: a. Vertebrae b. Gill arches c. Teeth d. Scales e. Skin correct answers b Which of the following is not a unifying feature of all chordates? a. Cranium b. Notochord c. Post-anal tail d. Pharyngeal gill slits (or pouches) correct answers a Which feature is unique to the echinoderm lineage? a. Water vascular system b. Radial symmetry c. Endoskeleton d. Exoskeleton correct answers a Which vertebrate has jaws with movable...

On a trip to a wildlife sanctuary, Nathan found a piece of rotting log. He took a sample from the log to examine in his laboratory. The organism he found was eukaryotic and could not photosynthesize. It also had a cell wall. What type of organism was most likely feeding on this sample? fungus-like protist In nature, which pigment gives red algae its color? phycoerythrin Match the physical characteristics of the organisms to their purpose. thin, hairlike structures used for locom...

During feeding, sharks have a _________ that covers their eyes for protection. Nictating membrane The shark with the longest fin is the __________. Thresher shark Which shark attacks humans the most? Great White Which one is a filter feeder? A. Sting Rays B. Sand Sharks C. Manta Rays D. Dogfish Sharks C. Manta Rays A Mako shark can swim very fast. They have been tracked at _________ mph. 45 to 60 True or False: Piked Dogfish sharks are the only sharks found in freshwater. False. M...

What do all fish have in common and what did primitive fish lack? correct answers All fish have vertebrates and primitive fish lacked paired fins and jaws What are the two types of jawless fish and what do they have in common? correct answers hagfish and lampreys both lack jaws, paired appendages, scales and have cartilage instead of bone Hagfish correct answers are bottom dwelling has two dental plates with horny cusps with a single fang for grabbing prey eat live prey and scavenge pro...

Acanthostega correct answer: 360 MYA, first amphibian/ tetrapod had gills, tail fin, labryinthodont teeth, free digits Arthodires correct answer: 20 ft long, jawed fish, big ass fish, top predator but very slow Amino acids correct answer: proteins of life Agnatha correct answer: chordate jawless fish Lobefin fishes correct answer: more complex, has little paddle like bones; includes lung fish, coelacanth, osteolepiforms. Gave rise to amphibians DNA correct answer: nucleic ac...

Usury MOST nearly means - ANSWER A: illegal interest. Each state sets its own ceiling for the maximum interest rate lenders may charge. Rates above that ceiling are considered ________ and ______. No reputable lender exceeds those rates and those that make a practice of it are commonly known as loan sharks. - ANSWER usurious and illegal. Which of the following describes a mortgage that requires principal and interest payments at regular intervals and is called the liquidation of debt by pe...

This document contains workings, explanations and solutions to the ENG2612 PORTFOLIO (QUALITY ANSWERS) 2024. For assistance call or us on 0.6.8..8.1.2..0.9.3.4.....Choose ONE of the following two questions. QUESTION ONE: Read EXTRACT A below and answer the question that follows. Extract A Editorial: Financial illiteracy breeds debt By Editorial Millions of South Africans are drowning in debt. Consumers owe more than R2.5 trillion to their creditors Millions of South Africans are drowning in debt...