Study guides, Class notes & Summaries

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...

Marine Biology - Practical Exam Observations Summary 2024 Red Encrusting Sponge Purple Encrusting (Volcano) Sponge Aggregating Anemone Giant Green Anemone Pacific Peanut Worm Giant Pile Worm Scaleworm Calcareous Tube Worm Spaghetti Worm Lined Chiton

What is Marine Biology? - The study of organisms that live in the sea. What are the similarities and differences between Marine Biology and Oceanography? - Similarities: geology, chemistry, physics, meteorology, zoology, botany. Differences: Marine - study org. That inhabit sea. Oceanographers - study physical. (non-living) aspects of sea. Tides currents waves chemical makeup of sea water. Name and describe at least 6 reasons for studying Marine Biology. - Live arose in the sea, provide...

infauna - animals that live within the sediments of the seafloor epifauna - benthic animals that crawl about on the seafloor or are firmly attached to it plankton - organisms suspended in the water column all or part of their life; they can swim but can't counteract currents or turbulence nekton - free-swimming animals that can move throughout the water column neuston - organisms maintained and associated with the sea surface interface; includes microbes bound in the surface layer (many...

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...

Which statement best describes how the ocean was used by ancient people and is still used today? - Ancient peoples used the ocean for food, travel, medicine, trade and recreation. When scientist ask questions or make inquiries - Scientific inquiries Compared to scuba gear a major advantage of a submersible is that - It can be used at greater depths Remotely operated vehicles differ from submersibles in that rovs - Are unmanned vehicles controlled remotely from the ship Information...

Which kingdom do heterotrophic bacteria and blue-green algae (cyanobactera) belong to ? - Monera Which kingdom do diatoms, dioflagellates, and ciliates belong to ? - Protist Which kingdom do green algae, red algae, and brown algae belong to ? - Prostist Which kingdom do sea grasses , dune plants, marsh grass, and mangroves belong to ? - Plant Where is decay bacteria found ? Why are they important for the environment ? - Found where dead Matter is abundent , important in many food chains . ...

Desiccation - water gets sucked out of an organism Zonation - how often flooding occurs in certain areas and how many animals and plants can survive in these areas with the salt that comes from flooding Food web - system that shows where animals get their energy from Producer - make food on their own Apex predator - eat but they aren't eaten Decomposer - breaks down organic material Detritus - waste or debris Consumers - eat other organisms What causes plants and animals to dessicate?...

Oceanic Crust - The dense portion of the earth's crust mostly made up of basalt, and about 5 km thick Continental crust - The thinner portion of the earth's crust that primarily contains granite, 20-50 km thick Plate tectonics - A process involving the movement of large plates on the earth's mantle Mid-Ocean ridge - A continuous chain of underwater volcanic mountains encompassing the earth Seafloor spreading - The process that creates new sea floor as plates move away from each...

1. how much of the Earth's surface do the oceans cover (what percentages?) - 71% (61 in the N hemi and 80 in the S) 2. What are the major basins? characteristics? - Pacific: largest and deepest a. Atlantic and Indian: similar in size and depth b. Arctic: smallest and shallowest 3. what is the most important aspect of the global ocean in regards of the movement of water? - the movement of water moderates the world's climate by distributing heat from the equator to the poles 4. what i...