Marine science national invasive species week!!!!
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National Invasive Species Week is being celebrated, with students assigned to research and create a warning flyer about an invasive species in Florida. The Burmese python is highlighted as an example, with details provided that it is native to Southeast Asia but has been released in Florida, where it has no natural predators and is attacking wildlife in the Everglades. Students are warned to keep Burmese pythons in Asia and not buy exotic pets. The assignment is due by March 8th.
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This document summarizes key marine microbes found in plankton. It discusses diatoms, dinoflagellates, forams, euglena, and volvox. Diatoms are the most common phytoplankton and have a glassy cell wall and symmetrical shape. Dinoflagellates can cause red tides and some are in a mutualism with corals. Forams have a shell and pseudopod and are an important part of the marine food web. Euglena can photosynthesize or absorb nutrients and reproduce by binary fission. Volvox forms multicellular colonies through asexual reproduction and provides a model for cell regeneration studies.Questions for plankton article
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This document provides questions to guide the reader in understanding key concepts about plankton from a scientific text. It includes questions about why plankton are called "drifters", how they are able to live near the surface of oceans, and adaptations like buoyancy. Questions also address the thermocline, how water density affects mixing, and how this benefits plankton. Further questions explore plankton's role in food chains, characteristics of "jello-plankton", and the process of vertical diurnal migration. The final question looks at what time of year is optimal for plankton growth and why.
Ecology
Ecologykleinkea
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Ecology is the study of interactions between organisms and their environment. It examines these relationships across different levels of biological organization, from cells to the biosphere. An organism's environment, or abiotic factors like temperature and salinity, as well as biotic interactions with predators, prey and parasites, define its habitat and ecological niche. Competition occurs when organisms require the same limited resources, preventing two groups from occupying the same niche. Predator-prey relationships and keystone species also shape ecosystem structure. Symbiosis describes close biological interactions, which can be mutualistic, commensal, or parasitic. Scientists sample populations using methods like transect lines and quadrats to make inferences about ecosystem health.Session 2 research paper
Session 2 research paperkleinkea
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This document provides directions for a research paper assignment. Students must choose one of seven topics covered in class and write a 6-page paper in 12pt font and double spaced with a cover page and works cited page. The paper must include at least 10 sources, with 5 being primary sources. The final draft is due on December 14th by 2:15pm as a Word 2007 attachment via email. Plagiarized papers will receive a grade of 0.Marine science syllabus
Marine science syllabuskleinkea
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This document is a syllabus for a marine science course taught by Ms. Kleinke. The syllabus outlines the course objectives, description, materials required, grading breakdown, behavior expectations, homework policy, tests/quizzes, and learning recovery options. The objective is for students to gain a deeper understanding of the unique and interconnected properties and organisms of the ocean. Labs and hands-on activities are emphasized. Students are expected to be prepared, respectful, engaged, and work hard. Consequences are outlined for violations and late work policies are described.Osmosis article marine
Osmosis article marinekleinkea
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The study explored the effects of low salinity water on ion transporter expression and distribution in the gill of the longhorn sculpin (Myoxocephalus octodecimspinosus). Sculpins were exposed to 10% or 20% seawater for 24 or 72 hours. Exposure to 10% seawater resulted in 20-25% lower plasma ion levels but did not affect transporter localization or expression. Sculpins maintained ion levels in 20% seawater and showed no physiological effects. The results suggest sculpins can tolerate brackish water for days but not long term due to an inability to regulate transporters at low salinities.Fish osmoregulation
Fish osmoregulationkleinkea
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The document discusses the central role played by the Mt. Desert Island Biological Laboratory (MDIBL) in advancing the study of fish osmoregulation over the past 80 years. Some of the key discoveries made by scientists at MDIBL include demonstrating that marine fish ingest seawater and absorb water and ions from their intestines, determining that aglomerular fish kidneys can function excretory like glomerular kidneys, and elucidating the role of gills in salt secretion. The MDIBL has hosted many influential researchers in fish physiology and helped establish the basic mechanisms of osmoregulation in fish.Lesson 2 osmosis and diffusion in the marine environment
Lesson 2 osmosis and diffusion in the marine environmentkleinkea
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The document summarizes how different fish species regulate water concentration in their cells when in environments with different salt concentrations. Some fish, like those in marine environments, actively transport ions to maintain higher internal salt concentrations than the surrounding water to prevent their cells from bursting. Other fish, called osmoconformers, allow their internal salt concentrations to rise and fall passively with the environment. Maintaining precise internal regulation requires energy, so some species like cod produce high concentrations of urea to control balances. The document emphasizes the importance of these mechanisms for fish to adapt to varying salinity conditions in their habitats.Marine science national invasive species week!!!!
- 1. National Invasive Species Week!!!! • Extra Credit: There are 23 reported marine invasive species in Florida (10pts) • Go to this site: http://www.sefsc.noaa.gov/species/invasive/ for the species list. • Do some research on the species; where did they come from; how did they get in Florida, any threat to humans, what is their status • Create a Invasive Species Warning Flyer informing public about this Invader!!!! • Due Friday March 8th (end of Invasive Species Week)
- 2. Warning to All South Floridians! Large Slimy Invader on the loose!!! Burmese Python Native to South East Asia but has been turned loose in Florida Has no Predators here…attacking everything in the Everglades Can live 20-25 Years!!! 23-27 feet long and 200 lbs!!! In Native country listed as a threatened species because of habitat loss and hunting for reptile trade Keep Burmese Pytons in Asia, DO Not buy exotic pets!!!!