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The map at the top of this page shows the movements of 43 tagged adult females from 1991-1997 (left) and 38 adult females from 2009-2015 (right). 0000018224 00000 n Students will learn about sexual selection and how female mate choice has strongly influenced the physical and behavioral traits that have evolved in males. 0000044429 00000 n However, due to climate change, they're becoming a lot more common. In recent decades though, this critical habitat has been shrinking. What we want to do is weve got to stop destroying landscape.. New pill cuts cholesterol, heart, Biden expected to tighten rules on US investment, Scout Motors picks South Carolina for new $2B EV. Students will learn about stem cells and stem cell research. Article #10 Facebook Blues: Is Facebook Making You Unhappy? Polar bears really depend upon sea ice, theyve evolved with it and they arent built to live on the shore long-term, said Servheen. Then finally, the team used mathematical models to forecast future reproductive success. These hybrids, sometimes called pizzly bears or grolar bears, have been spotted in the wild as far. 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. Article #6 Hyponatremia: Death by Water Intoxication. This means that they are being filled with large quantities of environmental poisons, and that forms a threat to the polar bear's existence. Only purebred dogs are allowed to compete at the Westminster Kennel Clubs annual dog show. Hybrids are not classified as their own species, so there are no regulations to protect themthey cant be placed on the U.S. governments endangered species list. 0000002414 00000 n Were All in for Arena Reel Star. 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. AEST = Australian Eastern Standard Time which is 10 hours ahead of GMT (Greenwich Mean Time), abc.net.au/news/grolar-pizzly-bears-climate-change-creating-hybrids/7428354, Help keep family & friends informed by sharing this article, These engineers break their silenceafterdecade of criticism over2011 Queensland flood handling, Tens of thousands of pigs and buffalo pegged for mass culls in Kakadu, in bid to curb feral animals, With Russian forces closing, Svyat rolled the dice in the last days before Bakhmut fell. 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. 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. and 9 more scientists. which I cannot fully describe due to reaching the text limit in this description space. Male competition using the example of elephant seal bulls is also discussed. The Pizzly Bear, identifiable by their off-white coat and elongated schnoz, were reportedly formed when melting sea ice forced the worlds largest land carnivore to migrate inland. ), "Used this as a sub plan and the kids really loved the article! 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. The safety of tattoo inks is also discussed along with how they can be affected by MRIs. 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. It is information rich and written to engage even reluctant readers. Fastest Charging On Any Nord Phone Ever & Other Reasons Why OnePlus Nord 2T Is Worth Every Penny! Hybrid bears, call them grolar bears or pizzlies, are "pretty blond across the back, sort of a dirty polar bear colour. But some scientists say the two bear species are breeding more often because climate change is causing them to cross paths. 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. To assess polar bear health, the team quantified the condition of bears by assessing their level of fatness after sedating them or inspecting them visually from the air. 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. Rather than growing a new branch on the [genetic] tree, you have two branches growing together, he said. . Have employers used high inflation as cover to make excessive profits? The Pizzly Bear, which was first documented in 2006, doesn't have as much blubber as the polar bear. Thanks for reading Scientific American. A 2017 study in the journal Arctic indicated that eight hybrids had been born of a mother polar bear who mated with two grizzlies. 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. Land 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. She says it is well known that changes in the climate are having a negative effect on polar bears. If your child will play baseball or softball this spring, youll need to stock up on appropriate clothing and equipment. The other example is the dramatic change in the size of the giant insects of the prehistoric era to the much smaller ones we have today. Skip to main content Open menu Close menu This science article / sub plan comes in two versions with full answer keys: 1) Easily printable PDFs, as well as 2) Google Slides. Article #4 Dung Beetles: Where Did All the Poo Go? There, they. However, due to climate change, they're becoming a lot more common. Students will learn how water intoxication occurs as well as the symptoms of hyponatremia. We are looking at an evolutionary change in the long term where overlaps are increasing and polar bears dont have a lot of options. Students will learn about the three scientifically recognized components of love: sex drive (libido), attraction and attachment. Copying for more than one teacher, classroom, department, school, or school district is prohibited. They usually wait on Baffin Island until the ice forms again so they can leave. 0000008401 00000 n It's the climate change diet and scientists say it's not. For polar bears, the sea ice is a crucial platform for life. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); Copyright 2023 Nexstar Media Inc. All rights reserved. Students can type in their answers directly in the Google Slides. Regardless of its pros and cons, the truth remains that the change in climate due to human intervention is affecting the lives of the flora and fauna in a paradigm-shifting way. Grizzly bears in Alaska and Canada are moving north as their environment warms, bringing them into contact with polar bears located on the coastline. Failure to comply is a copyright infringement and a violation of the Digital Millennium Copyright Act (DMCA). Students will learn about black holes and how they are related to the space-time continuum and gravity. Students will learn about the downsides of living in space. Flight Center, NASA Earth Observatory (2019, September 24). (Thanks D'Niessa S.). Image of the Day ARTICLE SUMMARY: In this particular article, students will learn about how climate change is warming the Arctic and threatening the habitat of the polar bear. It was easy to prepare and I had a very successful class using this lesson. 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. Researchers hint this could be occurring since with the sea ice thinning, more polar bears are making their journey towards the south, looking for food, whereas with temperatures in the south rising, more grizzly bears are moving towards the north, looking for colder climates. 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. This material may not be published, broadcast, rewritten, or redistributed. Article #26 Tanning, UV Radiation and Skin Cancer. The event horizon and singularity is also explained as well as the classification of three types of black holes. Our research looked at how these changes affect their body condition and reproduction.. We dont know yet, but perhaps the intermediate skull of the pizzly could confer a biomechanical advantage.. 2023 Scientific American, a Division of Springer Nature America, Inc. Students can type in their answers directly in the Google Slides.These EIGHT ECOLOGY ARTICLES with questions provide a re, Updated to Include a Distance Learning Option. Students will learn about the L. paradoxum parasite that infects snails. Article #25 The Science and Evolution of Human Skin Color. Students will learn about soil, what it is made of, why it is so important to our survival and what factors are causing soil to be endangered throughout our planet. It's thought grizzlies and polar bears are struggling to cope with climate change but their hybrid is . www.eenews.net, 202-628-6500. 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. 0000018199 00000 n 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. Continue reading with a Scientific American subscription. Students will learn about extracting shale oil and gas through the process of fracking. Wicked Weather Watch (WWW) is a charity that aims to provide clarity for children and young people about climate change and global warming. They will read about the difference between embryonic stem cells and adult stem cells as well as understand the controversy over stem cell research. 0000044163 00000 n How antibiotic resistance develops is also discussed. 4 0 obj <> endobj xref 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. They will learn how tattoos are applied, what makes them permanent, and how the immune system causes tattoos to fade. Students will learn about beg bugs, their physical and behavioral characteristics, how they reproduce, their effects on human hosts, why cases of infestation in developed countries has risen in the last few decades and what methods do and don't work in attempts to eradicate them. It also leads to cardiac muscle weakening as well as damages the optic nerves. Besides using this article for a sub plan, this resource also helps promote science literacy which is emphasized in many curricula including NGSS and TEKS standards. The Weather. Science Sub Plans - 52 Articles MEGA BUNDLE | Printable & Distance Learning, Ecology Articles - 8 Sub Plans BUNDLE | Printable & Distance Learning Options, Science Sub Plans Articles - Vol. The results of the study were not necessarily surprising for Laidre, who has been studying the changes in the Arctic ecosystem for the past 20 years. Mr Servheen is among a group of scientists who believe climate change is causing the polar and grizzly bears to come into contact more often. What is clear is that warming is increasing many opportunities for gene mixing. This could be why they mated with grizzly bears, whose jaws are better equipped to eat plant tubers or scavenge carcasses when resources are scarce. Article #36 The Curious Case of Caffeine. Article #12 Are Bed Bugs Keeping You Awake? DeSantis deduced this by analyzing the skulls of 20 polar bears, some of which were 1,000 years old. Article #43 Living in Space Harms Your Body. Laidre and colleagues classified fatness on a scale of 1 to 5. They will learn about what characterizes each stage and the major hormones involved in each stage. Remote Sensing. A new study, published in the Proceedings of the National Academy of Sciences found that climate change's effect on the bear species' habitats has also affected the animals' mating behaviors.. 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. Animals have been interbreeding for millennia. The bear, found at the southern tip of Banks Island in Canada's Northwest Territories, didn't look like a typical polar bear. 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. Students will learn about why tanning has become popular, the differences between UVA and UVB and how both cause a different type of tanning response in the skin and health consequences of each, and finally, students will learn about skin cancer with a focus on melanoma and risk factors for developing skin cancer. But when the father is a polar bear, the baby bear is instead called a pizzly. SCIENCE Articles Vol. The offspring share similarities in appearance with both parents. 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. 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. The satellite data are processed by NASA-funded scientists and stored at the National Snow and Ice Data Center. 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. Reported resources will be reviewed by our team. Don't fear, get, Updated to Include a Distance Learning Option. Snow and Ice They will examine the difference between totipotent, pluripotent and multipotent stem cells. We Say, Yes! Thanks for reading Scientific American. "The result is you have polar bears spending more time on land and grizzly bears spending more time where polar bears might be, and so the result is that we're seeing these occasional hybrids between two species.". 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. The bears are "more resilient to climate change and better-suited for warmer temperatures," paleontologist Larisa DeSantis . 0000011209 00000 n TPT empowers educators to teach at their best. Students will learn about vestigial structures and about several different examples of human vestigial structures. 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. Grizzlies, on the other hand, can eat whatever they want. Students will learn about the famous Marshmallow Experiments done in the 1970s. Snow and Ice. Write by: 0000057313 00000 n Students will learn about the challenges of supporting human life in a space craft. ), "Used this last week as a sub plan while I was gone, and it was a huge success!" "We're having massive impacts with climate change on loads of species right now," DeSantis said. In fact, Pizzly Bears have been sighted as far south as Idaho. This resource spans two pages in total with 1 and 1/3 pages of article and 2/3 pages of questions. 0000006824 00000 n Article #18 Is it Ironman? SCIENCE READING ARTICLES (ALL CAN BE FOUND IN THE MEGA BUNDLE): Article #1 Why We Love and Hate Spicy Foods. trailer <<666F399830224B2BB149A86CEFE15FDC>]/Prev 74072>> startxref 0 %%EOF 45 0 obj <>stream Moreover, its also more adept at foraging for food that involves a varied diet. 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