Osmosis and diffusion in the marine environment
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This document discusses osmoregulation in fish and how they regulate their internal salt and water concentrations when in water with different salinity levels than their cells. It explains that fish use active transport and specialized gills and kidneys to maintain homeostasis and adapt to varying environmental salinities, while some species are osmoconformers and cannot regulate their internal concentrations as well.
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Endocrine control of osmoregulation in fish zeinab klaab
Ch. 7 (homeostasis osmoregulation, endocrine, temperature)
Ch. 7 (homeostasis osmoregulation, endocrine, temperature)
Mechanisms of osmoregulation in fresh water and marine water invertebrates
Mechanisms of osmoregulation in fresh water and marine water invertebrates
Osmoregulation Mechanisms and Adaptations in Various Organisms.pdf
Osmoregulation Mechanisms and Adaptations in Various Organisms.pdf
More from kleinkea
Chapter 10 sharks skates and rays
This document summarizes key characteristics of vertebrates like fish, sharks, skates, and rays. It notes that vertebrates have backbones and internal skeletons, compared to invertebrates. Within fish, it distinguishes primitive jawless fish from sharks and rays that have cartilage skeletons and jaws. It provides details on sharks' streamlined bodies, sensing abilities, reproduction, and need to constantly swim due to their density. Skates and rays are described as flattened like stingrays with different swimming and reproductive behaviors.
Chapt 10 bony fishes
This document provides information about bony fishes. It begins by introducing the phylum Chordata and class Actinopterygii, which contains over 25,000 species of modern bony fish. It then discusses some key characteristics of bony fishes, including the presence of a swim bladder, bones, and fin rays. The document also describes coelacanths as a "primitive" fish that was thought to be extinct but has been found alive. The majority of the document focuses on ray-finned fishes, including their diversity, body shapes adapted to different habitats, and systems like respiration, circulation, nerves, senses, reproduction, and coloration.
Session 4 calender
This schedule outlines the week-by-week plan for a biology class focusing on arthropods, echinoderms, and fish. In the first week, students will take notes on arthropods and echinoderms, and participate in labs examining preserved specimens of these phyla. The second week involves dissecting starfish, analyzing lab results, and taking article-based and identification tests on echinoderms and arthropods. Later weeks shift to topics on fish, including their adaptations, building a model fish, quizzes, and a field trip to SeaWorld to observe aquatic life.
Echinoderms
Echinoderms are marine invertebrates with spiny skin and five-part radial symmetry. They have a water-vascular system and tube feet used for movement. There are five classes of echinoderms: sea stars, brittle stars, sea urchins, sea cucumbers, and sea lilies. Sea stars have tube feet and a water vascular system that allows them to move and catch prey as carnivores. Sea urchins also have tube feet and move by grazing on algae and plants as herbivores. Sea cucumbers use their tube feet to move and take nutrients from sand with oral tentacles.
Chapter 9 arthropods
Here are a few methods a scientist could use to determine the population density of barnacle species on a dock post:
1. Count the number of individual barnacles within a defined area on the post (e.g. within a 1 square foot quadrat) and extrapolate the total number per post based on the surface area. This direct count method provides an estimate of density.
2. Weigh a sample of barnacles scraped from a defined area. Compare the wet or dry mass to samples of known densities to estimate individuals per unit area.
3. Take photographic images of sample areas and use image analysis software to automatically count and identify barnacles based on size, shape, color. This provides a repeatable quantitative measure
C hapter 9 mollusks
The document summarizes the three major classes of mollusks - Gastropoda (snails and slugs), Bivalvia (clams and oysters), and Cephalopoda (octopuses, squid, and cuttlefish). It describes their general body plans, anatomy, locomotion, digestion, respiration, reproduction, ecological roles, and adaptations for predation. Mollusks exhibit a diversity of forms and play important roles in both marine and terrestrial ecosystems.
Marine science national invasive species week!!!!
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.
Chapter 8 porfera cnardarians
This document summarizes key characteristics of sponges, cnidarians, and comb jellies. Sponges are sessile, multicellular organisms that filter feed and lack tissues. Cnidarians are radially symmetric and have stinging cells, with forms including polyps, jellyfish, corals, and sea anemones. Comb jellies differ in having eight rows of comb plates with cilia for locomotion and lack stinging cells.
Chapter 7 multicellular plants
This document discusses the four main phyla of multicellular primary producers: seaweeds (Phaeophyta, Rhodophyta, Chlorophyta), seagrasses, salt marsh plants, and mangroves. It describes their key structures, reproduction methods, ecological roles, and representative species found in Florida. The main environmental factors that influence seaweeds are light, temperature, tidal exposure, salinity, and nutrient availability.
Chapter 6 study guide marine microbes
This study guide covers the key structures, reproductive systems, digestive systems, levels of organization, and ecological roles of diatoms, dinoflagellates, foraminiferans, Euglena, and Volvox. It includes diagrams of representative organisms and definitions of important terms. Short answer questions ask the student to compare and contrast diatoms, dinoflagellates, and forams, and describe the food capture methods of foraminiferans.
Chapter 6 study guide marine microbes
This study guide covers the key structures, reproductive systems, digestive systems, levels of organization, and ecological roles of diatoms, dinoflagellates, foraminiferans, Euglena, and Volvox. It includes diagrams of representative organisms and definitions of important terms. Short answer questions ask the student to compare and contrast diatoms, dinoflagellates, and forams, and describe the food capture methods of foraminiferans.
Chapter 6 marine microbes
This document summarizes key marine microbes found in plankton. It discusses diatoms, dinoflagellates, and forams in detail, including their structure, reproduction, digestion/energy processes, and ecological roles. Diatoms are the most common and distinctive plankton, contributing greatly to primary productivity. Dinoflagellates can cause harmful algae blooms and red tides. Forams consume other microbes and turn over nutrients. The document also briefly outlines euglena and volvox characteristics.
Chapter 6 marine microbes
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
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
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
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
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
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
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.
More from kleinkea (20)
Recently uploaded
Apps Break Data
How information systems are built or acquired puts information, which is what they should be about, in a secondary place. Our language adapted accordingly, and we no longer talk about information systems but applications. Applications evolved in a way to break data into diverse fragments, tightly coupled with applications and expensive to integrate. The result is technical debt, which is re-paid by taking even bigger "loans", resulting in an ever-increasing technical debt. Software engineering and procurement practices work in sync with market forces to maintain this trend. This talk demonstrates how natural this situation is. The question is: can something be done to reverse the trend?
Introduction of Cybersecurity with OSS at Code Europe 2024
I develop the Ruby programming language, RubyGems, and Bundler, which are package managers for Ruby. Today, I will introduce how to enhance the security of your application using open-source software (OSS) examples from Ruby and RubyGems.
The first topic is CVE (Common Vulnerabilities and Exposures). I have published CVEs many times. But what exactly is a CVE? I'll provide a basic understanding of CVEs and explain how to detect and handle vulnerabilities in OSS.
Next, let's discuss package managers. Package managers play a critical role in the OSS ecosystem. I'll explain how to manage library dependencies in your application.
I'll share insights into how the Ruby and RubyGems core team works to keep our ecosystem safe. By the end of this talk, you'll have a better understanding of how to safeguard your code.
LF Energy Webinar: Carbon Data Specifications: Mechanisms to Improve Data Acc...
This LF Energy webinar took place June 20, 2024. It featured:
-Alex Thornton, LF Energy
-Hallie Cramer, Google
-Daniel Roesler, UtilityAPI
-Henry Richardson, WattTime
In response to the urgency and scale required to effectively address climate change, open source solutions offer significant potential for driving innovation and progress. Currently, there is a growing demand for standardization and interoperability in energy data and modeling. Open source standards and specifications within the energy sector can also alleviate challenges associated with data fragmentation, transparency, and accessibility. At the same time, it is crucial to consider privacy and security concerns throughout the development of open source platforms.
This webinar will delve into the motivations behind establishing LF Energy’s Carbon Data Specification Consortium. It will provide an overview of the draft specifications and the ongoing progress made by the respective working groups.
Three primary specifications will be discussed:
-Discovery and client registration, emphasizing transparent processes and secure and private access
-Customer data, centering around customer tariffs, bills, energy usage, and full consumption disclosure
-Power systems data, focusing on grid data, inclusive of transmission and distribution networks, generation, intergrid power flows, and market settlement data
Main news related to the CCS TSI 2023 (2023/1695)
An English 🇬🇧 translation of a presentation to the speech I gave about the main changes brought by CCS TSI 2023 at the biggest Czech conference on Communications and signalling systems on Railways, which was held in Clarion Hotel Olomouc from 7th to 9th November 2023 (konferenceszt.cz). Attended by around 500 participants and 200 on-line followers.
The original Czech 🇨🇿 version of the presentation can be found here: https://www.slideshare.net/slideshow/hlavni-novinky-souvisejici-s-ccs-tsi-2023-2023-1695/269688092 .
The videorecording (in Czech) from the presentation is available here: https://youtu.be/WzjJWm4IyPk?si=SImb06tuXGb30BEH .
"$10 thousand per minute of downtime: architecture, queues, streaming and fin...
Direct losses from downtime in 1 minute = $5-$10 thousand dollars. Reputation is priceless.
As part of the talk, we will consider the architectural strategies necessary for the development of highly loaded fintech solutions. We will focus on using queues and streaming to efficiently work and manage large amounts of data in real-time and to minimize latency.
We will focus special attention on the architectural patterns used in the design of the fintech system, microservices and event-driven architecture, which ensure scalability, fault tolerance, and consistency of the entire system.
From Natural Language to Structured Solr Queries using LLMs
This talk draws on experimentation to enable AI applications with Solr. One important use case is to use AI for better accessibility and discoverability of the data: while User eXperience techniques, lexical search improvements, and data harmonization can take organizations to a good level of accessibility, a structural (or “cognitive” gap) remains between the data user needs and the data producer constraints.
That is where AI – and most importantly, Natural Language Processing and Large Language Model techniques – could make a difference. This natural language, conversational engine could facilitate access and usage of the data leveraging the semantics of any data source.
The objective of the presentation is to propose a technical approach and a way forward to achieve this goal.
The key concept is to enable users to express their search queries in natural language, which the LLM then enriches, interprets, and translates into structured queries based on the Solr index’s metadata.
This approach leverages the LLM’s ability to understand the nuances of natural language and the structure of documents within Apache Solr.
The LLM acts as an intermediary agent, offering a transparent experience to users automatically and potentially uncovering relevant documents that conventional search methods might overlook. The presentation will include the results of this experimental work, lessons learned, best practices, and the scope of future work that should improve the approach and make it production-ready.
JavaLand 2024: Application Development Green Masterplan
My presentation slides I used at JavaLand 2024
Dandelion Hashtable: beyond billion requests per second on a commodity server
This slide deck presents DLHT, a concurrent in-memory hashtable. Despite efforts to optimize hashtables, that go as far as sacrificing core functionality, state-of-the-art designs still incur multiple memory accesses per request and block request processing in three cases. First, most hashtables block while waiting for data to be retrieved from memory. Second, open-addressing designs, which represent the current state-of-the-art, either cannot free index slots on deletes or must block all requests to do so. Third, index resizes block every request until all objects are copied to the new index. Defying folklore wisdom, DLHT forgoes open-addressing and adopts a fully-featured and memory-aware closed-addressing design based on bounded cache-line-chaining. This design offers lock-free index operations and deletes that free slots instantly, (2) completes most requests with a single memory access, (3) utilizes software prefetching to hide memory latencies, and (4) employs a novel non-blocking and parallel resizing. In a commodity server and a memory-resident workload, DLHT surpasses 1.6B requests per second and provides 3.5x (12x) the throughput of the state-of-the-art closed-addressing (open-addressing) resizable hashtable on Gets (Deletes).
Demystifying Knowledge Management through Storytelling
The Department of Veteran Affairs (VA) invited Taylor Paschal, Knowledge & Information Management Consultant at Enterprise Knowledge, to speak at a Knowledge Management Lunch and Learn hosted on June 12, 2024. All Office of Administration staff were invited to attend and received professional development credit for participating in the voluntary event.
The objectives of the Lunch and Learn presentation were to:
- Review what KM ‘is’ and ‘isn’t’
- Understand the value of KM and the benefits of engaging
- Define and reflect on your “what’s in it for me?”
- Share actionable ways you can participate in Knowledge - - Capture & Transfer
Leveraging the Graph for Clinical Trials and Standards
Katja Glaß
OpenStudyBuilder Community Manager - Katja Glaß Consulting
Marius Conjeaud
Principal Consultant - Neo4j
zkStudyClub - LatticeFold: A Lattice-based Folding Scheme and its Application...
Folding is a recent technique for building efficient recursive SNARKs. Several elegant folding protocols have been proposed, such as Nova, Supernova, Hypernova, Protostar, and others. However, all of them rely on an additively homomorphic commitment scheme based on discrete log, and are therefore not post-quantum secure. In this work we present LatticeFold, the first lattice-based folding protocol based on the Module SIS problem. This folding protocol naturally leads to an efficient recursive lattice-based SNARK and an efficient PCD scheme. LatticeFold supports folding low-degree relations, such as R1CS, as well as high-degree relations, such as CCS. The key challenge is to construct a secure folding protocol that works with the Ajtai commitment scheme. The difficulty, is ensuring that extracted witnesses are low norm through many rounds of folding. We present a novel technique using the sumcheck protocol to ensure that extracted witnesses are always low norm no matter how many rounds of folding are used. Our evaluation of the final proof system suggests that it is as performant as Hypernova, while providing post-quantum security.
Paper Link: https://eprint.iacr.org/2024/257
Northern Engraving | Nameplate Manufacturing Process - 2024
Manufacturing custom quality metal nameplates and badges involves several standard operations. Processes include sheet prep, lithography, screening, coating, punch press and inspection. All decoration is completed in the flat sheet with adhesive and tooling operations following. The possibilities for creating unique durable nameplates are endless. How will you create your brand identity? We can help!
Astute Business Solutions | Oracle Cloud Partner |
Your goto partner for Oracle Cloud, PeopleSoft, E-Business Suite, and Ellucian Banner. We are a firm specialized in managed services and consulting.
inQuba Webinar Mastering Customer Journey Management with Dr Graham Hill
HERE IS YOUR WEBINAR CONTENT! 'Mastering Customer Journey Management with Dr. Graham Hill'. We hope you find the webinar recording both insightful and enjoyable.
In this webinar, we explored essential aspects of Customer Journey Management and personalization. Here’s a summary of the key insights and topics discussed:
Key Takeaways:
Understanding the Customer Journey: Dr. Hill emphasized the importance of mapping and understanding the complete customer journey to identify touchpoints and opportunities for improvement.
Personalization Strategies: We discussed how to leverage data and insights to create personalized experiences that resonate with customers.
Technology Integration: Insights were shared on how inQuba’s advanced technology can streamline customer interactions and drive operational efficiency.
"Scaling RAG Applications to serve millions of users", Kevin Goedecke
How we managed to grow and scale a RAG application from zero to thousands of users in 7 months. Lessons from technical challenges around managing high load for LLMs, RAGs and Vector databases.
What is an RPA CoE? Session 1 – CoE Vision
In the first session, we will review the organization's vision and how this has an impact on the COE Structure.
Topics covered:
• The role of a steering committee
• How do the organization’s priorities determine CoE Structure?
Speaker:
Chris Bolin, Senior Intelligent Automation Architect Anika Systems
Session 1 - Intro to Robotic Process Automation.pdf
👉 Check out our full 'Africa Series - Automation Student Developers (EN)' page to register for the full program:
https://bit.ly/Automation_Student_Kickstart
In this session, we shall introduce you to the world of automation, the UiPath Platform, and guide you on how to install and setup UiPath Studio on your Windows PC.
📕 Detailed agenda:
What is RPA? Benefits of RPA?
RPA Applications
The UiPath End-to-End Automation Platform
UiPath Studio CE Installation and Setup
💻 Extra training through UiPath Academy:
Introduction to Automation
UiPath Business Automation Platform
Explore automation development with UiPath Studio
👉 Register here for our upcoming Session 2 on June 20: Introduction to UiPath Studio Fundamentals: https://community.uipath.com/events/details/uipath-lagos-presents-session-2-introduction-to-uipath-studio-fundamentals/
Recently uploaded (20)
Introduction of Cybersecurity with OSS at Code Europe 2024
Introduction of Cybersecurity with OSS at Code Europe 2024
LF Energy Webinar: Carbon Data Specifications: Mechanisms to Improve Data Acc...
LF Energy Webinar: Carbon Data Specifications: Mechanisms to Improve Data Acc...
"$10 thousand per minute of downtime: architecture, queues, streaming and fin...
"$10 thousand per minute of downtime: architecture, queues, streaming and fin...
From Natural Language to Structured Solr Queries using LLMs
From Natural Language to Structured Solr Queries using LLMs
JavaLand 2024: Application Development Green Masterplan
JavaLand 2024: Application Development Green Masterplan
Dandelion Hashtable: beyond billion requests per second on a commodity server
Dandelion Hashtable: beyond billion requests per second on a commodity server
Nordic Marketo Engage User Group_June 13_ 2024.pptx
Nordic Marketo Engage User Group_June 13_ 2024.pptx
Demystifying Knowledge Management through Storytelling
Demystifying Knowledge Management through Storytelling
Leveraging the Graph for Clinical Trials and Standards
Leveraging the Graph for Clinical Trials and Standards
zkStudyClub - LatticeFold: A Lattice-based Folding Scheme and its Application...
zkStudyClub - LatticeFold: A Lattice-based Folding Scheme and its Application...
Northern Engraving | Nameplate Manufacturing Process - 2024
Northern Engraving | Nameplate Manufacturing Process - 2024
Astute Business Solutions | Oracle Cloud Partner |
Astute Business Solutions | Oracle Cloud Partner |
inQuba Webinar Mastering Customer Journey Management with Dr Graham Hill
inQuba Webinar Mastering Customer Journey Management with Dr Graham Hill
"Scaling RAG Applications to serve millions of users", Kevin Goedecke
"Scaling RAG Applications to serve millions of users", Kevin Goedecke
Session 1 - Intro to Robotic Process Automation.pdf
Session 1 - Intro to Robotic Process Automation.pdf