Pelagic Study guides, Class notes & Summaries
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Biology 473 (Limnology) Final Study Guide Complete Study Solutions Rated A+
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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
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Marine Science Final Exam: 8.1, 8.2, The Cove Questions & Answers 2024/2025
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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...
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Bio 242 exam 3 Correct Questions & Answers(RATED +)
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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...
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Bio 182 Exam 1 (Chapter 45-50) || With Questions & Answers (100% Correct)
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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...
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Life in the sea Exam 4 Questions & Answers 2024/2025
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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...
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EEMB 142A Midterm 1 Updated 2024/2025 Actual Questions and answers with complete solutions
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? 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...
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2024 Chordates Exams (All Answered Correctly)
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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...
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Oceanography || Already Graded A+.
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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...
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2024 Chordates Exams (All Answered Correctly)
- Exam (elaborations) • 13 pages • 2024
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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...
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BSC 3312 Final Exam Test Questions with solutions 2023 (Verified Already Graded A+)
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BSC 3312 Final Exam Test Questions with solutions 2023 (Verified Already Graded A+) Shallow Sediment Bottoms & Estuaries - answer• passive plate margins 
• low oxygen availability 
• grain size is influenced by water turbulence and determines the organisms that can live there 
o sand, silt, clay 
Shallow Sediment Bottoms & Estuaries - answerNot very productive due to wave action 
Organisms burrow in sediment 
Shallow Sediment Bottoms & Estuaries - answer• not a lot of epifauna because w...
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