Pelagic - Study guides, Class notes & Summaries

Biology 473 (Limnology) Final Study Guide Complete Study Solutions Rated A+ Pelagic Habitat Open water habitat; studied most by limnologists Benthic habitat Habitat associated with the bottom substrate Littoral habitat Portion of the benthic habitat located above the compensation depth; Any habitat where rooted macrophytes grow Compensation depth Where there is enough light for net photosynthes

nekton correct answers large strong swimming organisms living in pelagic zone mostly carnivores (eat plankton, nekton, some eat seaweed) nekton that eat plankton are called correct answers planktivorous 5 things that having a backbone allows correct answers 1. distinct head and tail 2. attachment of muscles 3. strong structure (skeleton) 4. speed and manoeuvrability 5. different body forms T or F - fish are vertebrates correct answers True (have backbone) myomeres correct answe...

Marine Science Final Exam: 8.1, 8.2, The Cove Questions & Answers 2024/2025 (Terms - 8.1) Ecology - ANSWERSEcology is the study of organisms and their environments, including their interactions and their distribution within the environment. Environment - ANSWERSThe sum of conditions affecting an organism, including all living and nonliving things in an area, such as plants, animals, water, soil, weather, landforms, and air. Keystone Species - ANSWERSAn organism that has a great eff...

big bang correct answers an explosion of matter origination from a concentrated point in space. thought to have occurred 13.7 billion years ago iron catastrophe correct answers occurred 4 billion years ago, earth began to melt, temperatures reaching 1538 C. converted parts mass to liquid forcing denser elements to sink (iron and nickel) and less dense elements (silicon, oxygen, carbon, magnesium) to rise towards the earths surface benthic correct answers organisms that live on the bottom o...

Bio 182 Exam 1 (Chapter 45-50) || With Questions & Answers (100% Correct) Bio 182 Exam 1 (Chapter 45-50) || With Questions & Answers (100% Correct) At what levels of life are focused on while studying ecology? - ANSWER - -organismal -population -community -ecosystem What is the difference between a biotic and abiotic factor in the environment? - ANSWER - -Biotic interactions are interactions among living things -Abiotic interactions are between organisms and their nonliving environme...

Notochord - ANSWER A rod of tough, flexible material that runs the length of a creature's body, providing the majority of its support and attachment sites for muscles. Is replaced by the backbone in vertebrates. pharyngeal gill slits - ANSWER Slits open to the outside from the pharynx. Function in filter feeding in invertebrates and are adapted as Eustachian tubes and middle ear bones in higher vertebrates. dorsal nerve cord - ANSWER A single nerve cord found in vertebrates. Invertebrates...

? Rule the world - Phytoplankton! - Fix lots of CO2, produce 90% of the Earth's O2 and help create clouds - Limited by: P, N, silica (diatoms), iron, trace elements - Could harness phytoplankton to control greenhouse gases (consume CO2 when fixing C - phytoplankton is iron limited; experiment: seed ocean with iron to create phytoplankton blooms to sequester (take out of the atmosphere and bring it to depths) carbon - SOIREE - Southern Ocean Iron Release Experiment - Large phytoplankton bl...

What is the name of the process in which the ocean floor is mapped? correct answers Bathymetry Name the 4 parts of the continental margin on the figure below. correct answers A: Shelf B: Shelf Break C: Slope D: Rise What is the deepest part of the ocean? And how deep is it? correct answers The Mariana Trench in the Pacific Ocean roughly 36,000 feet under sea line. Describe how echo sounders measure the depth of the seafloor. correct answers An echo sounder is a sonar device that send...

Life in the sea Exam 4 Questions & Answers 2024/2025 Benthic - ANSWERSlives on the bottom Pelagic - ANSWERSSwims in the water column. Tunicate larvae or lancelet - ANSWERSFish probaly evolved by vertebral column - ANSWERSseries of bones that make up the backbone Myomeres - ANSWERSseries of muscle segments along the trunk Agnatha - ANSWERSjawless fishes (hagfish and lampreys) Lampreys - ANSWERSparasites Hagfishes - ANSWERSbenthic scavengers, eat dead and dying Anadrom...

What 5 features do all chordates have for at least some period of their life cycles? correct answers notochord, hollow dorsal nerve cord, pharyngeal slits, an endostyle, and a post-anal tail Name the 3 subphyla of the phylum chordata. correct answers cephalochordata, urochordata, vertebrata About how many species of cephalochordata are there? correct answers 25 Where do cephalochordata inhabit? correct answers shallow tropical and temperate oceans Are the cephalochordata a small or l...