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. Climate-induced changes in the Arctic are affecting polar bears, said Laidre, who was the main author of the study. 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. It was easy to prepare and I had a very successful class using this lesson. 0000010543 00000 n GREAT MINDS IN SCIENCE ARTICLES (All can be found in the Bundle of 18 Articles): Article highlights include: his mother's tenacity which allowed him to attend university where he faced various obstacles to rise to the top of his class; his concerns for the development of science education in Russia which compels him to write Russian language textbooks; his certainty that science can be standardized by understanding a pattern that exists among elements; his journey to decipher this pattern; his development of the periodic table and having element 101 (Mendelevium) named after him. An analogy is used for easy understanding. In cases where warmer temperatures are bringing species together, human intervention should be carefully thought through, he added. 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 . document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); Copyright 2023 Nexstar Media Inc. All rights reserved. 4: Articles# 31-40 | Print & Distance Learning, SCIENCE Articles MEGA Bundle - 52 Articles, SCIENCE Articles Vol. Article #12 Are Bed Bugs Keeping You Awake? This gruesome tale will enthrall your students and teach them about animal adaptations and parasitism at the same time. 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. We didnt see it much in the past but we are now. Image of the Day Similar trends have been observed between golden-winged warblers and blue-winged warblers. Article highlights include: Carson's duel passions for writing and nature as a child; her academic achievements; taking a job with the U.S. Bureau of Fisheries to help support her family; her budding and acclaimed career as a writer; her concern for the widespread use of DDT and other pesticides; her need to make the public aware of the dangers of pesticides by writing a groundbreaking book called Silent Spring; her battle with intestinal and breast cancer during the four years it took to complete the book and how Silent Spring inspired a new young generation of environmental activists. 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. (Thanks Anonymous Buyer. There, they hooked up with grizzlies migrating north from Alaska. Article highlights include: his numerous failed attempts at studies and his father's disappointment in him; his eventual success at studies into the natural world; his voyage on the HMS Beagle; his return to England to scientific acclaim and respect; ideas that influenced his development of his theory of evolution by natural section (Lyell, Malthus etc.) So-called "pizzly" bears were first spotted in the wild in 2006. They hunt for seals by finding their dens or sitting next to gaps in the ice, waiting for the unsuspecting prey to pop up. Polar bear quiz. In Alaska, this has led to. 0000018689 00000 n Please look at the time stamp on the story to see when it was last updated. Pizzly Bears? 0000006024 00000 n A polar bear at a Berlin zoo in 2016. 0000006824 00000 n They will find out what type of reproductive advantages this gives the fish and what conditions trigger sex changes. Article highlights include: her brilliance at scientific studies as a child; her inability to continue her studies in Poland because universities there didn't accept women; her struggles to make money so that she could attend university in France at the age of 24; her love of Pierre Curie and their work together on radioactivity; her discovery of polonium and radium; her two Nobel Prizes; her significant but largely unrecognized contributions to the war effort in WWI and her death from aplastic anemia due to radiation exposure. 0000009276 00000 n Sea ice has been breaking up earlier in the spring over the years (green) and is forming later in the fall (blue). 2019 Arctic Sea Ice Minimum Is Second Lowest. Remote Sensing 0000008401 00000 n Hunter Didji Ishalook originally thought hed shot a small polar bear but he said it was a half-breed a position backed by several bear experts. The Pizzly Bear, identifiable by their off-white coat and elongated schnoz, were reportedly formed when melting sea ice forced the world's largest land carnivore to migrate inland. Fastest Charging On Any Nord Phone Ever & Other Reasons Why OnePlus Nord 2T Is Worth Every Penny! Sometimes, pregnant females dig in the sea ice to create maternity dens, where they give birth and take care of their cubs. Mr Servheen said it was hard to know how many of the bears existed. They will learn about the difficulties people with CIPA face because they cannot feel pain, the different types of nociceptors (pain neurons) that exist in humans, how mutations in a gene destroys nociceptors in people with CIPA, the concerns parents need to have if their child has CIPA and how CIPA is genetically inherited. Students will learn about how climate change is warming the Arctic and threatening the habitat of the polar bear. PLEASE CLICK THE PREVIEW and then zoom in to read a part of the article to see if it is appropriate for your classes. As rainbow trout meet and interbreed with dwindling cutthroat trout populations, the survival of cutthroat trout is at risk. 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. Each article spans two pages in total with 1 and 1/3. "The ones that have been seen, and there haven't been too many so far, are usually lighter in colour," Mr Servheen said. They usually wait on Baffin Island until the ice forms again so they can leave. Article #9 Diamonds, the Truth Behind the Bling. Snow and Ice. They will read about the difference between embryonic stem cells and adult stem cells as well as understand the controversy over stem cell research. She says it is well known that changes in the climate are having a negative effect on polar bears. Have employers used high inflation as cover to make excessive profits? warmed at twice the rate of the global average. 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. Some interesting studies are also discussed which examine how lowering certain hormones affect libido and attachment. They are an icon of climate change, but theyre also an early indicator of climate change because they are so dependent on sea ice.. No, it's Alloyman! 0000009711 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. Remote Sensing. Failure to comply is a copyright infringement and a violation of the Digital Millennium Copyright Act (DMCA). Article #17 Breathing and Peeing in Space. Stirling said grizzly bears have been showing up in the Canada's western Arctic as far north as Banks Island and Victoria Island in the province of Nunavut periodically for the past 50 years. 0000017579 00000 n Students will learn about fossil fuels, in particular: oil, natural gas and coal. Genetic exchange due to organisms coming together from climate change is the rule rather than the exception.. Klicken Sie auf Alle ablehnen, wenn Sie nicht mchten, dass wir und unsere Partner Cookies und personenbezogene Daten fr diese zustzlichen Zwecke verwenden. 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. When theres no sea ice platform, the bears end up moving onto land with no or minimal access to food. Also discussed is how this data supports the Out of Africa theory of human migration and expansion. 11 Countries Around The World That Have Never Been Colonised By Any European Power, From Sherpas Hauling Dead Bodies, To Climbers Stepping Over Them, Scene At Mt Everest Is Morbid, Anime, Classic Games, And Porn: 6 Weird Things The CIA Found On Osama bin Laden's Hard Drive, These Are The World's Most Powerful Intelligence Agencies, India Is Everything To Me: Akshay Kumar On Renouncing Canadian Passport, Anushka Sharma-Virat Kohli Visit Mahakaleshwar Temple Ahead Of Test Match Against Australia, Kangana Ranaut Says 'Such Good Example' As Power Couple Virushka Visit Mahakaleshwar Temple, There Was 95 Percent Blockage: Sushmita Sen Survived Massive Heart Attack Due To Active Lifestyle, Aaliya Owns A Lavish Flat? (Thanks Lisa A. Artificial selection is also discussed in contrast to natural selection. What is clear is that warming is increasing many opportunities for gene mixing. If the sea ice disappears, some may be successful but a lot wont be successful. 2019 Arctic Sea Ice Minimum Is Second Lowest, NASA Goddard Space TPT empowers educators to teach at their best. Hybrid bears, call them grolar bears or pizzlies, are "pretty blond across the back, sort of a dirty polar bear colour. 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. SCIENCE READING ARTICLES (ALL CAN BE FOUND IN THE MEGA BUNDLE): Article #1 Why We Love and Hate Spicy Foods. 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. Thanks for reading Scientific American. "But as there's less and less ice, they're spending more and more time on land. "The polar bear is the canary in the coalmine telling us how bad things are." In some sense,. Instead, a hybrid species is taking its place. Here's Why You Shouldn't Miss It! Article #16 Parasites Create Zombie Snails. Polar bears are a harbinger for the future, said Laidre. 0000026158 00000 n It is competitions like these that contribute to the common perception that mixing animal species leads to maladapted animals, according to Michael Arnold, a professor of genetics at the University of Georgia. trailer <<666F399830224B2BB149A86CEFE15FDC>]/Prev 74072>> startxref 0 %%EOF 45 0 obj <>stream (MAURIZIO GAMBARINI/DPA/AFP via Getty Images). The long-term trend for Arctic sea ice extent has been definitively downward. 0000057313 00000 n To meet such energy demands, a female bear on the spring sea ice should eat. A polar bears life seems simple enough: eat seals, mate, and raise cubs. The bear, found at the southern tip of Banks Island in Canada's Northwest Territories, didn't look like a typical polar bear. 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. The model took into account the relationship between sea-ice availability and the bears body fat and variable litter sizes. 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. As habitats and animal ranges change and bleed into one another, species that never before would have encountered one another are now mating. A threat to genetic diversity? This means that they are being filled with large quantities of environmental poisons, and that forms a threat to the polar bear's existence.
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