SCIENCE READING ARTICLES (ALL CAN BE FOUND IN THE MEGA BUNDLE): Article #1 Why We Love and Hate Spicy Foods. (Thanks Anonymous Buyer. An odd-looking bear shot last week by a hunter in Nunavut has turned out to be a grizzly-polar bear hybrid a rare find that a researcher says is becoming more common. Students will learn about the differences between a bionic implant and a cybernetic implant and how the two function differently and can achieve different results. Also discussed is how this data supports the Out of Africa theory of human migration and expansion. Image of the Day Article highlights include: explanation of the European Renaissance; Galileo convincing his father he should become a mathematician and physicist instead of a doctor, his invention of many interesting devices, observations of Kepler's supernova, his development of the telescope and its uses in his research, his discovery of the four largest moons of Jupiter, his discovery of the shadows of Saturn that supported the heliocentric model over the geocentric model, his persecution by the Inquisition of the Catholic Church due to his support of the heliocentric model, his recanting upon threat of torture and his imprisonment until death. . If the sea ice disappears, some may be successful but a lot wont be successful. As weve developed genomic methodologies, were finding that organisms are exchanging genes with other species, Arnold said. 0000010543 00000 n Article highlights include: Fleming's early achievements as a child; his aspirations to become a surgeon; his attainment of a medical degree; his shift in focus to studying bacteria instead of medicine; his time spent in battlefield hospitals in World War I where he promoted a better way to treat deep wounds since the method currently used was killing many of the soldiers; his discovery of lysozymes in bodily secretions which could kill bacteria and his accidental discovery of penicillin due to the contamination of bacterial samples by mold. 0000009276 00000 n Students will learn about the differences in the three types of tears humans produce, the composition of these tears and their different purposes. A pizzly was first spotted when a researcher noticed a bear with the white fur of a polar bear, but the long claws, hump, shallow face and patchy brown fur of a grizzly. Students can type in their answers directly in the Google Slides. So-called "pizzly" bears were first spotted in the wild in 2006. Failure to comply is a copyright infringement and a violation of the Digital Millennium Copyright Act (DMCA). 0000001343 00000 n How this young Indigenous artist is taking inspiration from anime and manga to celebrate his own culture. Wicked Weather Watch (WWW) is a charity that aims to provide clarity for children and young people about climate change and global warming. Remote Sensing. Students can type in their answers directly in the Google Slides. Ronald Fishers "Fisherian runaway" hypothesis as well as other interesting evolutionary theories behind sexual selection are examined. Polar Bears Across the Arctic Face Shorter Sea Ice Season. Students will learn about the science behind the feeling of spiciness, what chemical compound creates this sensation, the way spiciness is measured, why the desire to eat spicy foods evolved and how to cure the pain of overly spicy food. Using field observations and remote sensing, the study showed that polar bears are spending more time on land and are fasting for longer periods of time. Article #37 The Chemistry of Fireworks Students will learn about the various components of a firework and their role in the function of the firework. She found that while effective for hunting seals, these noggins elongated structure mightve prevented the predators from switching to new diets amid climate change. For polar bears, the sea ice is a crucial platform for life. We are looking at an evolutionary change in the long term where overlaps are increasing and polar bears dont have a lot of options. The Weather. Nor is its diet as versatile as a. In some cases, hybridization can lead to reduced genetic diversity in animals, according to David Tallmon, an associate professor of biology at the University of Alaska. The two page format makes it economical for printing and provides a length that students willingly read and complete. Mother bears are also producing smaller cub litters, which the team projected will continue to decline for the next three polar bear generations. Its a major cause of species extinctionlots of species are now disappearing because they are being genetically swamped by other, commoner ones, said Stuart Pimm, a professor of conservation ecology at Duke University. Students will learn about how some fish are able to change sex from male to female or from female to male. Thanks for reading Scientific American. While the climate crisis may expedite the number of pizzly bears (the changing climate is causing grizzly bears to move north and polar bears to move south, resulting in more. Students will learn about alloys, how they are made, how steel and stainless steel are made and about Nitinol, the amazing superelastic alloy that makes up Ironman's suit. ANCHORAGE, Alaska Some polar bears in the Arctic are shedding pounds during the time they should be beefing up, a new study shows. Article #38 Climate Change and Pizzly Bears. Grizzly bears in Alaska and Canada are moving north as their environment warms, bringing them into contact with polar bears located on the coastline. Students will learn about the L. paradoxum parasite that infects snails. ), "Used this as a sub plan and the kids really loved the article! Article highlights include: details of his difficulties with authority and school while growing up; his amazingly productive 1905 year when he came up with and published four groundbreaking ideas (including e=mc2 and the special theory of relativity); an application of the theory of relativity; an explanation of the significance of e=mc2, his abandonment of Germany during the rise of Adolf Hitler's Third Reich, his emigration to America, his contribution to the Manhattan Project's development of nuclear weapons and his great regret for contributing to the nuclear bombings of Hiroshima and Nagasaki. Climate-induced changes in the Arctic are affecting polar bears, said Laidre, who was the main author of the study. July 12, 2022 Climate change is altering the environment of North American polar bears, forcing them south, where they're coming into contact with a different type of bear. Students will learn about the challenges of supporting human life in a space craft. A polar bear at a Berlin zoo in 2016. This is how we got here and what needs to change, Inside the family succession drama threatening to change the K-pop industry forever. Desantis recently published a study on the changes to polar bears diets amid global warming. Hybridization can increase genetic diversity in some cases, said Tallmon. This is causing them to spend more time together, only increasing their chances of interbreeding. Students will learn about Henrietta Lacks and how cancer cells from her body, called HeLa cells, have been dividing for over six decades to produce immortal cell lines that have been used in medical and commercial research all over the world. Pizzly or grolar bear: grizzly-polar hybrid is a new result of climate change Grizzly bears in Alaska and Canada are moving north as their environment warms, bringing them into contact. But the rate at which species interbreed is accelerating because of climate change, researchers say. The Pizzly Bear, which was first documented in 2006, doesn't have as much blubber as the polar bear. Thanks for reading Scientific American. Article #32 Is Life Better Without Pain? (6) Warm up work for the beginning of class. (Thanks Shala R.), "My kids loved this, thanks!" The "Pizzly" bear first spotted in 2006 in the Canadian Arctic has the "white fur of a polar bear but the long claws, humped back, shallow face and brown patches of a grizzly," according . 1 | Greta Thunberg and climate change reading comprehension worksheets. Water Far fewer know their real story, Baby bison killed after tourists put it in back of car, Polar bears may starve on land as ice melts: study, Record low Arctic winter ice levels a response to warmer conditions: scientists, Man discovers two highly venomous species battling in his shed, Home ownership remains in fantasy territory for many. The 'pizzly bear' hybrid is a cross between a polar bear and a grizzly bear Credit: Getty. This service may include material from Agence France-Presse (AFP), APTN, Reuters, AAP, CNN and the BBC World Service which is copyright and cannot be reproduced. Similar trends have been observed between golden-winged warblers and blue-winged warblers. Perhaps the most obvious way in which humanity is altering the natural world is through climate change. Adventures in the Arctic: 6 Questions with Kristin Laidre. 4 Bundle - 10 Articles for 27% OFF. 2023 Scientific American, a Division of Springer Nature America, Inc. Members of theHeliconiusbutterfly genus in the Amazon breed with other species within the genus and have developed more distinctive colors in the process. Add highlights, virtual manipulatives, and more. "And then the claws are often longer than polar bear claws because grizzly bears have much longer claws, and in general the fur is a little bit darker than a polar bear.". Engaging science articles are a good way to meet these needs. However, some biologists disagree, saying that hybridization is natural and doesnt always produce negative results. "As you know, as the climate warms there is less and less sea ice in the Arctic," he said. Students will learn about two animals (green sea slug and yellow spotted salamander) that can photosynthesize due to symbiotic relationships with algae. Warmer temperatures have allowed grizzly bears and polar bears to venture to habitats they don't usually occupy and mate to form a hybrid: the pizzly or grolar bear. The bears are "more resilient to climate change and better-suited for warmer temperatures," paleontologist Larisa DeSantis. This resource spans two pages in total with 1 and 1/3 pages of article and 2/3 pages of questions. It was easy to prepare and I had a very successful class using this lesson. Additional licenses can be purchased at a discount for others to use in your department. This resource includes a 5-page factsheet on Greta and her role in . Land 0000070925 00000 n The recent photo of what many suspect to be one of the hybrid bears was posted on Facebook by hunter Didji Ishalook, who shot it when it was sighted near his home community of Arviat. Students will learn how a sample of someone's breath can contain compounds released from cancer cells, how sensitive dogs are to scents, how dogs are trained to detect cancer compounds in samples of patients' breath and what other things a dog's sense of smell can be used for. Sie knnen Ihre Einstellungen jederzeit ndern, indem Sie auf unseren Websites und Apps auf den Link Datenschutz-Dashboard klicken. Article #12 Are Bed Bugs Keeping You Awake? Students will learn about the mental and physical effects of caffeine on the body, how caffeine acts on the brain to increase neuronal activity which causes alertness, how caffeine triggers the fight or flight reflex and how tolerance and addiction occur with regular caffeine intake. In the case of cutthroat-rainbow trout hybrids, the hybrids are less genetically fit, with offspring of the hybrids struggling to survive, astudyled by researchers from the U.S. Geological Survey found. Grizzlies, on the other hand, can eat whatever they want. Students will learn about the health impacts of sugar, research showing that sugar can be more addictive than cocaine or heroine, the effect of sugar on the brain, how available sugar was to our ancestors, the effects of high-fructose corn syrup, an example of how hidden added sugars can be found in "healthy" meals and how to read food labels appropriately so that the sugar content can be better understood. climate change) and a movement to "Keep it in the ground". ***************************************************************************. The researchers found larger litter sizes when the mothers were in a good body condition and when spring breakup occurred later in the year, meaning bears had more time on the sea ice in spring to find food. The bears are "more resilient to climate change and better-suited for warmer temperatures," paleontologist Larisa DeSantis said. 0000000016 00000 n In the meantime, Laidre hopes this studys information will be used to further understand the impacts of sea ice loss on the species. Create your free account or Sign in to continue. Without these colors, the birds would not be aware that these butterflies contain cyanide, and the defense mechanism would be useless. Only purebred dogs are allowed to compete at the Westminster Kennel Clubs annual dog show. 0000004349 00000 n They will also learn about who is most at risk for this condition and they will be given examples of people who have suffered from hyponatremia. Electric Sunroof, Head Up Display & Other Features That Make The All New Hot & Techy Brezza A Hit. Story by Kasha Patel. Chris Servheen, a bear biologist and Adjunct Associate Research Professor at the University of Montana, said sightings of this hybrid bear species have been very rare in the past. www.eenews.net, 202-628-6500. Weitere Informationen ber die Verwendung Ihrer personenbezogenen Daten finden Sie in unserer Datenschutzerklrung und unserer Cookie-Richtlinie. The team specifically studied a subpopulation of bears that depend on seasonal sea ice in Baffin Bay. (7) Assignment at the beginning of the week that is taken up at the end. With a dingy white coat and scattered . This material may not be published, broadcast, rewritten, or redistributed. There, they. 0000036276 00000 n Gastric banding and gastric bypass are specifically examined. Students will learn about bactericidal vs. bacteriostatic antibiotics, narrow vs. broad spectrum antibiotics, what antibiotics are effective in treating, how penicillin was discovered by Alexander Fleming and how the misuse, overprescription and use of subtherapeutic antibiotics in livestock feed has contributed to the growing antibiotic resistance seen in bacteria. So-called "pizzly" bears were first spotted in the wild in 2006. Laidre says that is because the ice is retreating earlier and there has been more open water in recent summers. Get more great resources from Wicked Weather Watch here and on its website at wickedweatherwatch.org.uk. DeSantis deduced this by analyzing the skulls of 20 polar bears, some of which were 1,000 years old. As this happens, it makes way for grizzly bear territory to expand further north which increases the interaction between the two species, with possible mating opportunities. It looks like a polar bear but its got brown paws and big claws like a grizzly, Ishalook said. In 2006 a bear shot by hunters in the Arctic was tested and confirmed as a polar-grizzly hybrid. On average, the bears are spending 30 more days on land now than they did in the 1990s. Specialists like the polar bear are at greater risk of extinction, especially if their habitat is literally melting away.. Students will learn about why athletes blood dope, the performance enhancement effects of blood doping, blood doping techniques like drugs that stimulate red blood cell production and blood transfusions that increase red blood cell counts immediately. The combination of warmer temperatures and vegetation growth means there is more overlap between the species and Id expect that overlap to increase, Chris Servheen, a grizzly bear expert at the University of Montana, told the Guardian. Students will learn about extracting shale oil and gas through the process of fracking. 0000007595 00000 n They found that most bears follow the seasonal growth and recession of sea ice to end up on Baffin Island in the fall, when sea ice is usually at its lowest extent. 0000008401 00000 n 0000018199 00000 n Call it the "grolar bear" dilemma: Are hybrids caused by climate change bad for species? The grizzly-polar bear hybrid has only been found a few times. Sea and Lake Ice, Image of the Day Scientists think climate change causing bears paths to cross The grizzly-polar bear hybrid has only been found a few times. The bears are "more resilient to climate change and better-suited for warmer temperatures," paleontologist Larisa DeSantis . August 5, 2021. The bear was shot near the small community of Arviat, located on the Hudson Bay within Canadas Arctic region. There, they hooked up with grizzlies migrating north from Alaska. docs, slides, etc.). Good news for the polar bear 2023 NYP Holdings, Inc. All Rights Reserved, With climate change pushing polar bears toward the brink, My low confidence in medias climate change propagandists, World Bank elites put climate policy over developing nations prosperity and security, Higher energy bills coming, thanks to Gov. Mutts need not apply. Water My other classes were interested when they read my agenda. Whats more astonishing is that scientists dont really know if this is a good thing. If your child will play baseball or softball this spring, youll need to stock up on appropriate clothing and equipment. Students will learn about slow twitch and fast twitch muscle fibers, how they create and use energy differently, how they respond to training and which types of sport each muscle fiber is best suited to helping an athlete excel at. Students will learn about how maggot debridement therapy (MDT) is used to heal wounds and stave off infection, why the common green bottle fly larva is the maggot of choice, what type of wounds are best suited to MDT and the rise, fall and re-emergence of MDT as a popular medical treatment. Land The carnivore tooth expert co-authored a study in how the diet of polar bears differed in a warming world. As climate change continues to threaten the habitat of the polar bear, the endangered creatures are being pushed further into contact with other bears. For example, a greater ratio of slow twitch to fast twitch muscles fibers will help an athlete excel at endurance sports like marathons and long distance cycling. Pay only $1.99 for this article when you purchase it in the 52 Science Reading Articles MEGA Bundle - Saving you over 44%. Students will learn about how steroids build muscle by building proteins, preventing the breakdown of proteins and by activating satellite cells that help produce more and bigger muscle cells. 0000011209 00000 n They will learn about what characterizes each stage and the major hormones involved in each stage. Students will learn about the Zika virus, where it first came from, where it's spreading to, how it is transmitted, and the symptoms it produces. A great class discussion can ensue from this. The issue is how fast we are driving species to extinction, said Pimm. Less than a year after her first protest, Greta Thunberg has become one of the most famous climate activists in the world, speaking to world leaders and helping to convince them that laws needed to change. This perhaps marks an evolutionary 180 from when polar bears and grizzlies diverged from a common ancestor hundreds of thousands of years ago, Vital Ground reported. Considering that human activity has indirectly brought together species through planetary warming and increased fossil fuel emissions, the question on the minds of many biologists like Arnold is whether humans should play a role in preventing hybridization like this. The bears are more resilient to climate change and better-suited for warmer temperatures, paleontologist Larisa DeSantis said. A new study shows that polar bears are spending less time on sea ice, leading them to fast longer, become thinner and have fewer cubs. The various concerns and risks surrounding fracking are discussed as well as the stance different countries have taken on the fracking issue. 2. A bear shot in the frigid expanse of northern Canada is believed to be a grizzly-polar bear hybrid, a consequence of the increasing interactions between the two imposing bear species. Pizzly bears, sometimes called grolar bears, are a bear hybrid that could become more common in the Arctic as a result of the climate crisis. Some interesting studies are also discussed which examine how lowering certain hormones affect libido and attachment. Students will learn about the downsides of living in space. Heat The Teacher-Author indicated this resource includes assets from Google Workspace (e.g. We interviewed our tech expert, Jaime Vazquez, to learn more about accessible smart home devices. Reported resources will be reviewed by our team. Time spent in weightless conditions lead to serious bone loss and almost immediate and severe muscle atrophy. While polar bears have longer skulls in order to grab seals out of the water, their molars are smaller than is typical for their body size because all they eat is blubber all day. "They often have dark, darker fur rings around their eyes. These science articles / sub plans come in two versions with full answer keys: 1) Easily printable PDFs, as well as 2) Google Slides. Cold case: Who murdered this man on Lookout Mountain? Article #42 The Evolution of Pretty Boys. A great article for discussing ecological and environmental issues. So-called "pizzly" bears were first spotted in the wild in 2006. Students will learn about human hermaphrodites, the etymology of the word hermaphrodite, the two major causes of human hermaphrodism (46XX/46XY chimeras, the SRY gene) and other organisms that are hermaphroditic. %PDF-1.4 % 1998 - 2023 Nexstar Media Inc. | All Rights Reserved. Terms of Use: This document is for personal use only and may only be used by the original purchaser. Evolutionary science demonstrates that Polar and Grizzly Bears are very closely related, mainly separated by color and location, though still considered separate species [4]. Grizzly bears found in Alaska and Canada appear to be moving north as their environment warms, bringing them into contact with polar bears located on the coastline. Mr Servheen said it was hard to know how many of the bears existed. Were All in for Arena Reel Star. Instead, a hybrid species is taking its place. The focus will be on the technologies that are used to constantly supply the crew with oxygen and that help get rid of liquid and solid waste in a microgravity environment. Reported first by Thred, according to researchers, rising global temperatures has forced the two species to congregate together and this frequency has now risen considerably, resulting in more interbreeding. correct answer and is guessing based on words that are used in the text. Humans are doing a lot more than warming the planet, so hybridization is not the only issue that has the potential to decrease biodiversity. They will discover that PET (polyethylene terephthalate) is the most common type of plastic beverage container and will read about PET's properties, how it is it is recycled (and down-cycled) and how it eventually makes its way into our landfills and oceans.
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