Overview Plankton is a microscopic drifting organism present in most of the water bodies around the world. There are three categories of plankton‚ but only Phytoplankton and Zooplankton are of our interest. Phytoplankton is the primary producer and forms the base of food chain in most water bodies. Among these phytoplankton groups‚ there are some species that harm aquatic organisms mechanically or by toxin production either at low concentrations or by forming high concentration blooms known as Harmful
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Name: Alexander Mitchell Instructor: Shumate Course: Marine Science Honors Module/Lesson: 04.02 Bar Graph for Comparing and Contrasting Directions: 1. Watch the video and read through the information on diatoms and dinoflagellates. 2. Type in the appropriate columns below the characteristics that apply to diatoms‚ dinoflagellates and the characteristics they share Characteristics of Diatoms | Similarities Between Diatoms and Dinoflagellates | Characteristics of Dinoflagellates
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Zoo plankton -Feed on phytoplankton -Weak swimmers Which includes: 1. Copepods 2.Krill 3.Phylum Cnidaria 4.Phylum Ctenphora 5.Salps 6.Larvaceans 7.Phylum Chaetognatha 8.Mollusks and Annelids Copepods -Phylum Arthropoda -Subphylum Crustacea -Exoskeleton that is molted -Segmentation -Jointed appendages -One of most dominant groups of zooplankton -Active filter feeders -The head has a single central eye and two antennae. Krill -Phylum Arthropoda -Subphylum Crustacea
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Centre Number For Examiner’s Use Candidate Number Surname Other Names Examiner’s Initials Candidate Signature Question General Certificate of Secondary Education Higher Tier June 2013 Science A BL1HP H Unit Biology B1 Biology Unit Biology B1 Wednesday 5 June 2013 Mark 1 2 3 4 5 6 7 8 1.30 pm to 2.30 pm 9 For this paper you must have: a ruler. You may use a calculator. TOTAL Time allowed 1 hour Instructions Use black ink or black ball-point pen. Fill in the boxes at the top
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about the cause of the food poisoning. Based on the information you’ve gathered do you feel that the cause of the food poisoning is a diatom or a dinoflagellate? Why? The dinoflagellate causes illness. A diatom is a very small type of hard shelled plankton. Dinoflagellate sometimes bloom in concentrations of more than a million cells per milliliter. Some species produce neurotoxins‚ which in such quantities kill fish and accumulate in filter feeders such as shellfish‚ which in turn may pass them on
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Jessica Preyer Zoology 211 September 25‚ 2014 Section 4. Summary of Journal Article 1. Fischer et al. (2006) examined the vertical migration behavior of zooplankton. 2. A) Researchers manipulated UVR (ultraviolet radiation) during the treatments creating mesocosm lids using Aclar and Courtgard for ambient. B) The UVR shield treatment best reflected the control group in the experiment. C) The ambient UVR treatment best reflected the experimental group in the experiment. 3. Researchers believe
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Once upon a time deep inside the sea‚ there existed a king who had a beautiful daughter by the name Plankton who had green hair. Her large eyes which she had inherited from her grandmother sparkled with excitement from the sea. Plankton liked to take a walk along the sea greeting the sun and having a chat with the sea. Being the daughter of the king‚ she did not fear to ask favors from her dad whom she knew would provide anything at her request. Every time she felt like going on a tour around the
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Classification and Marine Biodiversity Important Background Information that you need to know and understand: (Understand the Key Concepts) Key words: binominal system of naming; science of classification is taxonomy; species; levels of classification (know them); dichotomous identification key; 5 kingdoms; etc… CLASSIFICATION Our oceans have a great variety of life forms. Thousands of new species are discovered each year. We need to identify‚ name‚ and know the biology of all the marine
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Organisms Classified?”) Plankton Plankton is a organism that float. Why is a copepod‚ which can swim and propel itself through the water‚ classified as plankton? (Ch. 12‚ Section “Plankton”) Because of its small size‚ it cannot swim very far or fast so its location is determined by currents Organisms that can photosynthesize and produce their own food are called what? (Ch. 12‚ Section “Plankton”) Autotrophic Organisms that only spend part of their life cycle as plankton are referred to as what
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phytoplankton And they both play important roles in marine food webbing They also help remove carbon dioxide from air Dinoflagellates are unicellular protists; They’re planktonic. 90% of all dinoflagellates are marine plankton. They are very small as well. many of them are microscopic‚ the largest of them all may be as large as 2 mm in diameter! At it’s largest size. Dinoflagellates sby 2 things‚ flagella and movable protein strands that propel the cell through the
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