Also discussed is the link between Zika and microcephaly (babies born with small heads) which is the major concern with the Zika outbreak, and the potential for Zika to turn into a pandemic. Grizzlies, on the other hand, can eat whatever they want. So-called "pizzly" bears were first spotted in the wild in 2006. Their findings show that the two bears split into distinct species around 1.5 million years ago, with the . This material may not be published, broadcast, rewritten, or redistributed. It is information rich and written to engage even reluctant readers. The last part of the article turns to the idea of using human cyborgs in the military and can lead into a class discussion about the bioethics of this and other cybernetic applications. So-called pizzly bears were first spotted in the wild in 2006. 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. Mr Servheen said not very much was known about the grolar and pizzly bears, as little contact had yet to be made between them and humans. February 27, 2023 new bill passed in nj for inmates 2022 No Comments . Climate-induced changes in the Arctic are affecting polar bears, said Laidre, who was the main author of the study. (MAURIZIO GAMBARINI/DPA/AFP via Getty Images). This means it couldn't survive in colder temperatures. Students will learn about how climate change is warming the Arctic and threatening the habitat of the polar bear. 1. Students will learn about two animals (green sea slug and yellow spotted salamander) that can photosynthesize due to symbiotic relationships with algae. Thanks for reading Scientific American. Without these colors, the birds would not be aware that these butterflies contain cyanide, and the defense mechanism would be useless. The rate at which humans are driving species to extinction is 1,000 times faster than the rate at which animals would go extinct naturally, Pimms research shows. Artificial selection is also discussed in contrast to natural selection. (3) Independent work for early finishers. How this young Indigenous artist is taking inspiration from anime and manga to celebrate his own culture. Article #25 The Science and Evolution of Human Skin Color. Failure to comply is a copyright infringement and a violation of the Digital Millennium Copyright Act (DMCA). With global warming and sea-ice declines, it becomes harder for polar bears to hunt their preferred preyseals. www.eenews.net, 202-628-6500. These new animals, which carry the genes of polar bears, have been named "pizzly bears". The two page format makes it economical for printing and provides a length that students willingly read and complete. ), "Used this last week as a sub plan while I was gone, and it was a huge success!" Are you getting the free resources, updates, and special offers we send out every week in our teacher newsletter? When theres no sea ice platform, the bears end up moving onto land with no or minimal access to food. Desantis recently published a study on the changes to polar bears' diets amid global warming. 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. They will learn how the fecal transplant helps get rid of the infection, how fecal samples are obtained and how they are administered into the body. The bears are "more resilient to climate change and better-suited for warmer temperatures," paleontologist Larisa DeSantis . Article #9 Diamonds, the Truth Behind the Bling. The Arctic sea ice cap is a large area of frozen seawater floating on top of the Arctic Ocean and its surrounding seas and straits. Scientists say that climate change is driving the hybridization. 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. Also discussed is the reason why women, in general, are less pigmented then men. The team tracked polar bear movements across the bay over the past two decades. Image of the Day 0000070925 00000 n This story has been shared 134,090 times. My other classes were interested when they read my agenda. 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 "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 . Usually hybrids arent better suited to their environments than their parents, but there is a possibility that these hybrids might be able to forage for a broader range of food sources, DeSantis told Live Science. Students will learn about how some fish are able to change sex from male to female or from female to male. (7) Assignment at the beginning of the week that is taken up at the end. My students loved this topic and were engaged for the start. Article #27 Lobotomies: Who Needs All that Brain? Moreover, its also more adept at foraging for food that involves a varied diet. You may NOT electronically post this product online including to teacher blogs, classroom websites or school networks. Flight Center, NASA Earth Observatory (2019, September 24). So-called "pizzly" bears were first spotted in the wild in 2006. 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. A Trending Reel Challenge That Can Win Us a Brand-New Swift? As Live Science notes, The rise of the pizzlies coincides with polar bears decline. They noted that the number of polar bears in the wild are expected to decrease 30% over the next 3 decades. We dont know yet, but perhaps the intermediate skull of the pizzly could confer a biomechanical advantage.. But when the father is a polar bear, the baby bear is instead called a pizzly. Similar trends have been observed between golden-winged warblers and blue-winged warblers. Interrelated ecological impacts of climate change on an apex predator. Sea ice concentrations have declined by 13 percent each decade since 1979 due to increasing global temperatures. ***************************************************************************. Pay only $1.99 for this article when you purchase it in the 52 Science Reading Articles MEGA Bundle - Saving you over 44%. They are an icon of climate change, but theyre also an early indicator of climate change because they are so dependent on sea ice.. If the father was a grizzly bear then the offspring is informally known as a grolar. 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. In 2006, Andrew Derocher was in the field with an Inuit hunter when a message crackled over the CB radio: A strange-looking bear had been shot a few miles away. No help from Endangered Species Act Female polar bears are forced ashore up to two weeks earlier than in the early 1990s because of the early spring ice breakup. Article #10 Facebook Blues: Is Facebook Making You Unhappy? PLEASE CLICK THE PREVIEW and then zoom in to read a part of the article to see if it is appropriate for your classes. Judges choose winners based on how closely a dog fits a standard, or ideal breed. Standards are based on both personality traits and physical onesfrom eye color to ear shape and even tail placement. 1998 - 2023 Nexstar Media Inc. | All Rights Reserved. HT0}D BZ[EmUbXk;M)o\ 0000018689 00000 n 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. Students can type in their answers directly in the Google Slides. The Pizzly Bear, which was first documented in 2006, doesn't have as much blubber as the polar bear. 0000000016 00000 n 0000008902 00000 n (NEXSTAR) A new breed of hybrid polar and grizzly bear has been seen stalking the arctic, and experts say the new species arose due to the effects of climate change. Image of the Day A recent study published in the Proceedings of the National Academy of Sciences found that climate change affects the bear species' habitats and mating behaviors. Thats important because when the bears are on land, they do not hunt seals, said Laidre. "But as there's less and less ice, they're spending more and more time on land. Pizzlies, at the end are a result of a massive climatic instability and this surely isnt the acceptable way to go ahead. What is clear is that warming is increasing many opportunities for gene mixing. But Mr Servheen said not very much was known yet about these 'grolar' and 'pizzly' bears. Polar bear quiz. This is especially seen in bird populations like peafowls and birds of paradise where the males exhibit extraordinarily beautiful plumage and intricate and interesting courtship behaviors. Students will learn the differences between REM and nonREM sleep, how much sleep is needed for individuals, why sleep is important, what happens when someone experiences sleep deprivation and insomnia and how other mammals exhibit different sleep patterns and habits when compared to us. Grizzly bears, known for the distinctive hump on their shoulders, are normally solitary animals but come together to feed or to mate. DeSantis deduced this by analyzing the skulls of 20 polar bears, some of which were 1,000 years old. Explore our digital archive back to 1845, including articles by more than 150 Nobel Prize winners. The original version of the story misstated the name of the Montana basin. An analogy is used for easy understanding. Article #40 The Truth Behind Bottled Water, Article #10 Great Minds in Science - Rachel Carson. Students will learn about the different types of fat in the body, their functions and the issues that can arise when fat content in the body becomes imbalanced. SCIENCE READING ARTICLES (ALL CAN BE FOUND IN THE MEGA BUNDLE): Article #1 Why We Love and Hate Spicy Foods. 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. 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. Snow and Ice Nor is its diet as versatile as a. HTn0}Wpo6E6]{V{D/e7~NX$ER< Students will learn about mitochondrial DNA and Mitochondrial Eve. This is a great article to use around Valentine's Day if you don't need to use it for a sub plan. Five-centuries-old saffron and ginger found preserved in shipwreck off Sweden, NBA star Ja Morant suspended, 'takes full responsibility' for nightclub gun video, 15 people rescued from Central Victorian mine after fire. 2019 Arctic Sea Ice Minimum Is Second Lowest. 0000001343 00000 n This can affect their overall health and reproductive success.. Article highlights include: Franklin's achievements as a child; her research into the structure of coal which earned her a PhD; her apprenticeship for learning about X-ray diffraction; her appointment to work at King's College to help discover the structure of DNA; the tensions and hostilities with her research partner Maurice Wilkins; her success at obtaining excellent X-ray diffraction images of two forms of DNA; Wilkin's release of these images to a rival team (James Watson and Francis Crick) of researchers without telling Franklin; Franklin's research into the structure of plant viruses; Franklin's early death due to ovarian cancer at the age of 37 and the controversy over her not being acknowledged by the Nobel Prize committee. A polar bear at a Berlin zoo in 2016. Facebook addiction is also discussed along with a the Bergen Facebook Addiction Scale. Have employers used high inflation as cover to make excessive profits? Polar bears evolved from brown bears around 150,000 years ago and are now the largest land carnivores in the world, weighing up to 1,600lb (720kg). 5 min read A hybrid polar-grizzly bear, known as a 'grolar' or 'pizzly' bear (Getty) Back in 2006, a strange polar bear was seen in the Northwest Territories of. The carnivore tooth expert co-authored a study in how the diet of polar bears differed in a warming world. Heat Copying for more than one teacher, classroom, department, school, or school district is prohibited. climate change) and a movement to "Keep it in the ground". Continue reading with a Scientific American subscription. The Arctic, where its effects are especially evident, is warming between two and four. Humans are doing a lot more than warming the planet, so hybridization is not the only issue that has the potential to decrease biodiversity. Denver weather: Calm today, wind and snow back tomorrow, Former home of JonBent Ramsey up for sale, Global race to boost electric vehicle range in cold, Family of Aurora man in police video speaks out, Bruce Springsteen surprises shop owner before concert, Assault weapons ban introduced in Colorado, Do Not Sell or Share My Personal Information. 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. These experiments demonstrate a strong correlation between the ability to exert self-control in children and their later success as adults. Instead, a hybrid species is taking its place. Article #4 Dung Beetles: Where Did All the Poo Go? What we want to do is weve got to stop destroying landscape.. 0000017579 00000 n The parasite takes over the snail's body and mind to turn it into an organism that will attract birds, the parasite's second host. 1 | Greta Thunberg and climate change reading comprehension worksheets. They help my students with reading non-fiction, and they are so interesting and engaging!" Beyond speculation, two real cases of pizzly bear offspring in the wild (as confirmed by genetic testing) is discussed along with the possibility of other Arctic hybrids. In fact, Pizzly Bears have been sighted as far south as Idaho. 0000005195 00000 n Polar bears are often considered the poster-child species for climate change impacts. The team specifically studied a subpopulation of bears that depend on seasonal sea ice in Baffin Bay. Article #39 The Science of Self-Control. Pizzly Bears? Article #3 Beyond the Appendix: Vestigial Structures. Land But a recent study shows some subpopulations of polar bears are struggling to complete these essential tasks because of declining concentrations of Arctic sea ice. Only purebred dogs are allowed to compete at the Westminster Kennel Clubs annual dog show. 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.