Ecosystems are sometimes classified into terrestrial, or land-based, and aquatic. Coral reefs are one of the most diverse and delicate ecosystems on the planet. Students use coral reef ecosystem case studies to explore the ecological principles of shifting baselines, natural and anthropogenic disturbance, succession, and sustainability.
Lead a class discussion or have students use think-pair-share, followed by a class discussion. Ask: Do ecosystems change over time? What could cause those changes? Students may give examples such as volcanic eruptions Mount St. Helens or Krakatauwildfires Yellowstone, western U. They may also mention that ecosystems change gradually as different species flourish and others decline due to a variety of factors.
Explore anthropogenic and natural causes of change and ecological succession. Next, have students draw a two-column chart in their notebooks. Explain that one reason for ecosystem change is succession, the progressive change in the species composition of an ecosystem.
Often, after a major disturbance, you can observe an ecosystem move through several stages of succession. Discuss the successional stages that occur after one or two of the examples students listed. Build background on shifting baselines and succession in marine ecosystems. Ask them to pay attention to how Dr. Show students the first 3 minutes, 30 seconds of the video. After viewing, ask students to summarize what they saw.Axor 2628 pdf
Elicit from students that the video uses coral reefs with varying degrees of human habitation and impacts to show how the composition of reef species changes over time. Ask students to provide examples of disturbances that occur in marine ecosystems.
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Add their ideas on the table from Step 2. Elicit examples such as hurricanes, ocean warming, dead zones anoxiaoverfishing, habitat destruction trawling, coastal developmentand pollution toxic waste, oil spill. Using the example of coral reefs from the video to provide context, ask: What is a baseline? Elicit from students that a baseline is a point of reference against which significant change can be measured.
Ask: Why is it important to have an accurate baseline for marine ecosystems like coral reefs? Elicit from students that if we know the baseline for an ecosystem in decline, we can work to restore it to that level. If the baseline has shifted, we may be accepting a degraded system as normal. Divide students into small groups and have them start the worksheet. Distribute a copy of the Shifting Baselines and Succession worksheet to each student. Divide students into small groups and read aloud the directions.
Ask each group to provide at least one example of each item in column 1. Use the examples generated from Stepsincluding the video, to correct any misconceptions students have about each of the items in the list.The scoring range for this test is — The passing score depends on different states or agencies.
The passing scores for different states and agencies are shown below:. This test covers a large number of topics, so it is important to start studying as soon as possible. Once you know your testing date, try to create a schedule that will allow you to cover all of the test topics in a reasonable amount of time.
Plan to spend at least several weeks studying so that you are not overwhelmed. This section tests your knowledge on setting foundational skills needed for emergent literacy including print and phonological awareness. It also tests your knowledge on differentiating instruction to meet the early literacy needs of all learners. A concept of print is a basic understanding of how text works. Examples of concepts of print include awareness that text is read from left to right and top to bottom, words are made up of letters, sentences are made up of words, an author composes sentences to create meaning, and illustrations match what is written.
A teacher supports these skills by previewing books aloud to point out the title, author, and illustrator of a book. Teachers can also model one-to-one correspondence by pointing to words while reading them aloud, along with the sweeping motion of moving left to right and top to bottom between lines of a text.
Teachers need to make sure students can see the text for these type of read alouds! Phonological awareness is an understanding of and ability to manipulate the sounds within words. Phonemes are individual sounds in words. A phonologically aware student can identify phonemes in the beginning, middle, and end of words, as well as say what the word would sound like if a phoneme was deleted or substituted for a different one.
Syllables are parts of words that contain a vowel sound. A phonologically aware student can identify the number of syllables a word contains. An onset is the beginning phonological unit of a word consonant, consonant blend, or consonant digraphand a rime is the rest of the word that follows, usually the vowel and remaining consonants. A phonologically aware student can blend onsets and rimes together to make a word and also segment a word into onset and rime.More cephalonews at:. I support the Pacific Northwest Tree Octopus!
Together, we have the power to build a grass-roots campaign to save the Tree Octopus! Great for chiding motorists! Pins, shirts, posters, and other items also available. The Pacific Northwest tree octopus Octopus paxarbolis can be found in the temperate rainforests of the Olympic Peninsula on the west coast of North America.
Their habitat lies on the Eastern side of the Olympic mountain range, adjacent to Hood Canal. These solitary cephalopods reach an average size measured from arm-tip to mantle-tip, of cm.
Unlike most other cephalopods, tree octopuses are amphibious, spending only their early life and the period of their mating season in their ancestral aquatic environment. Because of the moistness of the rainforests and specialized skin adaptations, they are able to keep from becoming desiccated for prolonged periods of time, but given the chance they would prefer resting in pooled water.
An intelligent and inquisitive being it has the largest brain-to-body ratio for any molluskthe tree octopus explores its arboreal world by both touch and sight. Adaptations its ancestors originally evolved in the three dimensional environment of the sea have been put to good use in the spatially complex maze of the coniferous Olympic rainforests.
The challenges and richness of this environment and the intimate way in which it interacts with it, may account for the tree octopus's advanced behavioral development. Some evolutionary theorists suppose that "arboreal adaptation" is what laid the groundwork in primates for the evolution of the human mind. Reaching out with one of her eight arms, each covered in sensitive suckers, a tree octopus might grab a branch to pull herself along in a form of locomotion called tentaculation; or she might be preparing to strike at an insect or small vertebrate, such as a frog or rodent, or steal an egg from a bird's nest; or she might even be examining some object that caught her fancy, instinctively desiring to manipulate it with her dexterous limbs really deserving the title "sensory organs" more than mere "limbs", in order to better know it.
Tree octopuses have eyesight comparable to humans. Besides allowing them to see their prey and environment, it helps them in inter-octopus relations. Although they are not social animals like us, they display to one-another their emotions through their ability to change the color of their skin: red indicates anger, white fear, while they normally maintain a mottled brown tone to blend in with the background.
The reproductive cycle of the tree octopus is still linked to its roots in the waters of the Puget Sound from where it is thought to have originated. Every year, in Spring, tree octopuses leave their homes in the Olympic National Forest and migrate towards the shore and, eventually, their spawning grounds in Hood Canal.
There, they congregate the only real social time in their lives, and find mates. After the male has deposited his sperm, he returns to the forests, leaving the female to find an aquatic lair in which to attach her strands of egg-clusters.
The female will guard and care for her eggs until they hatch, refusing even to eat, and usually dying from her selflessness.
The young will spend the first month or so floating through Hood Canal, Admiralty Inlet, and as far as North Puget Sound before eventually moving out of the water and beginning their adult lives.Upgrading Converting Access versions Issues you may encounter in changing version: Converting to Access 2007 - good and bad, configuration and compatibility, runtime and links Prevent Access 2007 users modifying existing databases Any MDB prior to Access 2007 Converting from Access 97 to 2000 and later Converting from Access 1 or 2 to Access 95 or 97 Microsoft also has an Access 2.
Event Driven Programming Referential Integrity can't be that easy. Undelete Options Finding Duplicates in an imported DBF Contact us All tips and samples are offered without liability: use at your own risk.Road widening ppt
Permission You may freely use anything (code, forms, algorithms. And a big part of having an attractive website these days also means having high-quality, beautiful product photography. The perceived value of your products is directly impacted by the quality of your product photography.
But it's not just aesthetics we're talking about. Showcasing your products with high-quality images can also be the winning difference between a conversion and no sale at all. But when you're just starting out, getting your product photos shot can be an intimidating prospect because good photography can be expensive.
When I did the test images for this, I started with my older model (2008), beat-to-hell Canon G10 point-and-shoot.
So what camera do you need. I would just start out with whatever you have handy and see what the results are. A photograph is made up of series of choices that incorporates lighting, exposure, styling and post processing decisions. I prefer a paper sweep because sweeps get dirty and you can cut off the dirty part and roll a new piece down. A really cheap option is to go to your local drug store or art store and buy some poster board. Remember to look for pure white as off-white or cream, while cool, will be more difficult to make pure white.
This shadow side will typically be too dark and so we use something white to reflect the light back into the shadows and brighten it up. Foam board makes a great bounce card, because it's rigid and white. Alternately, you can use black foam board to make the shadows deeper.
Ecosystem Imbalance in the World
Adding black foam board to the sides, just outside of the photo behind the product will create a dark edge on the white product. Combine a white bounce card on the front and black bounce cards behind the product for a more sophisticated lighting setup.
You can buy foam board on Amazon or at local drug store. Keep in mind, this is just a white card, so you might be able to just balance a sheet of white printer paper or use a piece of poster board as well. Depending on the table you end up with, you can use tape or clamps to secure down your board so that it sweeps properly. Being closer to the window will create a softer light with darker softer shadows.
Being further away will give a more even light but with sharper lighter shadows.See Tschuprow's T for more information. In other words, the table summarizes the distribution of values in the sample. Its value ranges ranges between 0 and 1. A rule of thumb is: 0. See eta-squared for more information. The value of the F statistic, which is used to assess whether the expected values of a quantitative variable within several pre-defined groups differ from each other.
It is the ratio of the variance calculated among the means to the variance within the samples. This parameter specifies the number of samples to be used during the normality test.
If not given, defaults to 1024. Example: "MyADSeed" category optional The category that best describes the test. Specifies the fields that won't be included in the test. This will be 201 upon successful creation of the statistical test and 200 afterwards. Make sure that you check the code that comes with the status attribute to make sure that the statistical test creation has been completed without errors.
Pacific Northwest Tree Octopus
This is the date and time in which the statistical test was created with microsecond precision. True when the statistical test has been built in development mode.How to use msl code
The list of fields's ids that were excluded to build the statistical test. The list of input fields' ids used to build the statistical test. In a future version, you will be able to share statistical test with other co-workers or, if desired, make them publicly available. It includes the field's dictionary describing the fields and their summaries, and the statistical tests. See the Statistical Tests Object definition below. A description of the status of the statistical test. This is the date and time in which the statistical test was updated with microsecond precision.
An array of anomalous fields detection test results for each numeric field. An array of data normality test results for each numeric field. An array of outlier detection test results for each numeric field. A test result which is a dictionary between field ids and test result. The type of result object varies based on the name of the test. When name is benford, it returns Benford Result Object. The distribution of first significant digits (FSDs) to the Benford's law distribution.
For example, the FSD for 2015 is 2, and for 0.
The array represents the number of occurences for each digit from 1 to 9. Name of the outlier detection test. Currently only value available is grubbs. When name is grubbs, it returns Grubbs Result Object. An outlier present in the data. It is available only when at at least of one of the boolean values in significant is true. Example: 128 description optional A description of the model up to 8192 characters long. Example: true name optional The name you want to give to the new model.I am recommend anyone that is looking for a custom website to give them a call and speak to Gus, he will guide you to the right direction.
Our company has been working with Web Design Express since 2009. Web Design Express has evolved in a very positive way through the years. We recently worked with them to update our website. We have been mainly working with Edi. We are beyond pleased with Edi's impeccable service. He is extremely helpful in guiding us through the whole process.
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Great design team and quick turn around on all projects and request. With their help we have improved our google search results. My company Titan has depended on them for quite sometime now and we have been doing business with them for over 10 years. Their web design team is very knowledgeable and they always let us know when a new Google update is coming up before anyone even knows. If you want a reliable Miami Web Design Company all them. After searching and dealing with different designers and developers without success, I finally found Web Designer Express and they put color, flavor and efficiency to my project, we are working together for more than 3 years in various designs such as logos, labels, web pages and we are currently optimizing our main website, implementing new strategies to make more attractive our products to the market and increase conversion.
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I am very happy with the results and I would recommend them to anyone trying to build a business website.The ability to carry a very large library makes sense there. With a book, however, I can rarely see the need to carry more than one or two (assuming you might be finishing the current book shortly).
I think the killer app in this regard is actually textbooks and reference books. Large, heavy textbooks at that. Not only do they have the advantage in storing large collections, but search, annotation and other features are far more useful and necessary in this area than they are to the casual reader. Academic journals will still need to be read and utilized on computers, but the additional ability to access them on an eReader would certainly be a boon in many fields.
The only flaw is that this would require devices capable of color and with a good ability to display graphics. I also suspect that it would only come to a suitably open platform, not one as locked-down as the Kindle with only one provider.
Considering many textbooks are currently the price of a Kindle it should be trivial to find a way to encourage their acceptance heavily. Partnering with schools and offering a method to automatically find and buy all of your books for a semester would help greatly with keeping students with it through convenience.
Why bother tracking down all the books you need, ordering them in advance (either online or reserving them with the campus bookstore) when you can get everything within minutes with a single click and not even having to think about it.Bio 20.4 - Aquatic Biomes
With paper books, depending on how long I will be gone for, that means carrying as many as five books at a time. I used to think text books were going to be the killer use, but have changed my mind about that, at least in the current state of the Kindle.
Know roughly where something is in a book, but not the exact page number. More like press Menu, select Go To, enter a location number, glance at the page, guess another location number and repeat the process. I think something that could be very competitive for the kindle is if it were to offer some of the capabilities of the nook and other e-reading devices. Now that more competitive e-readers are on the market, all that glisters is not gold.
Nook, and I-Pad among others offer access to google e-books and you can even check out e-books from, at least from my local library, to the nook.
The most you can do, book wise, with the kindle is buy and share for 14 days with another kindle owner. What about another possibility. A priced Kindle, but with a certain number of books and magazines or newspapers for free. The current model suffers because the books, magazines and newspapers are typically more expensive on the Kindle than the paperback versions. I wish Amazon sold the Kindle as a tree saver, and additionally being a money saver.Import in maya
Amazon is a scary company to compete against because they keep their margins low and give so much of the economics back to the customer.
Once you have paid for Prime, you get everything quickly and love Amazon. I have been continually impressed at how Amazon has sacraficed short term profitability for the long-term health of the business and this would be another example of that.
I like the formatting and usability of iBooks better, though. I too use the iPad Kindle app and the nook app and the stanza app and the iBooks app and the app for my local libraries I am now a bibliophile of both the print and ebook type. I can go on reading the my kindle for hours.
All its missing is a better nav system. There is no extra cost beyond what you already pay. I would love a free Kindle.
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