1 | Greta Thunberg and climate change reading comprehension worksheets. It is information rich and written to engage even reluctant readers. Polar bears are often considered the poster-child species for climate change impacts. My other classes were interested when they read my agenda. In some cases, hybrids are better adapted to cope with changing landscapes. There, they hooked up with grizzlies migrating north from Alaska. Climate Change Is Causing Polar Bears And Grizzly Bears To Mate, The hybrids retain features from both the species -- pizzlys are short-furred bears that are more capable of dealing with warmer temperatures compared to a grizzly, Moreover, its also more adept at foraging for food that involves a varied diet, 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, lookin, 11 Successful IITians Who Are Making India Proud, 11 Senior Actors Who Made Way Into Our Hearts And Proved Bollywood Needs Actors, Not Superstars, 9 Craziest Wildest Sexual Fantasies Ideas List with Examples (Girls & Boys). You can also follow on Twitter at @WickedWeather1. No help from Endangered Species Act Instead, a hybrid species is taking its place. "But as there's less and less ice, they're spending more and more time on land. Electric Sunroof, Head Up Display & Other Features That Make The All New Hot & Techy Brezza A Hit. Side effects of anabolic steroid use is also discussed. Water We are losing biodiversity not due to genetic exchange, but because we are eating up the landscape, said Arnold. 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. 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. For polar bears, the sea ice is a crucial platform for life. 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. 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. 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. 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. 0000017861 00000 n Students will learn about the L. paradoxum parasite that infects snails. 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. A threat to genetic diversity? 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. 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. 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. 4 Bundle - 10 Articles for 27% OFF. 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). Students will learn about fossil fuels, in particular: oil, natural gas and coal. Article #10 Facebook Blues: Is Facebook Making You Unhappy? Climate Change and FDR. Article #29 Antibiotics: Penicillin and Beyond. 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. Students will learn about how bottled water companies have convinced us to buy bottled water and the environmental impact of creating so much plastic water bottle waste. With global warming and sea-ice declines, it becomes harder for polar bears to hunt their preferred preyseals. For more in the world oftechnologyandscience, keep readingIndiatimes.com. Floral Dresses To Chic Bags - Heres How I Refreshed My Summer Closet From Flipkart On A Budget! The Prius isnt the only environmentally conscious hybrid out there. The Weather. Knowledge awaits. 0000008902 00000 n 4 Bundle - 10 Articles, Article #10 Great Minds in Science - Rachel Carson, (All can be found in the Bundle of 18 Articles). 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. These and the other fascinating negative effects of space living are discussed. What is clear is that warming is increasing many opportunities for gene mixing. Hybrid bears, call them grolar bears or pizzlies, are "pretty blond across the back, sort of a dirty polar bear colour. "And also what's happening is that grizzly bears seem to be moving further north, we're seeing their range extend further north toward the coast of the Arctic both in Alaska and in Canada. One example is the change in color of the peppered moth from its light colored form to its dark colored form. Thanks!" Polar bears are the largest bear species and are supremely adapted to their Arctic habitat, whether they are prowling the ice or swimming in the sea. 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. The satellite data are processed by NASA-funded scientists and stored at the National Snow and Ice Data Center. To meet such energy demands, a female bear on the spring sea ice should eat. '33g;62.`| /Qs?A;Ol3RreAl>r{%,"i(V[&T-W5W.9E2(qP UZ. Pre-made digital activities. 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. 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. Lastly, they will read about the exciting advances in stem cell research opened up by the advent of IPSCs (induced pluripotent stem cells) which helps bypass many of the ethical issues in stem cell research. 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. Quizzes with auto-grading, and real-time student data. Students will learn about the interesting habits, diets and behaviors of the dung beetle. Students can type in their answers directly in the Google Slides for paperless classrooms / distance learning. Laidre says that is because the ice is retreating earlier and there has been more open water in recent summers. 0000035729 00000 n 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. On average, the bears needed nearly 12,325 kilocalories per day 1.6 times more energy than previously thought. 0000009276 00000 n In cases where warmer temperatures are bringing species together, human intervention should be carefully thought through, he added. 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. They use the ice to travel long distances to new areas. Female polar bears are forced ashore up to two weeks earlier than in the early 1990s because of the early spring ice breakup. Though crossbreeding between Amazonian butterflies was not triggered by climate change, it is an example of hybridization that strengthens the survival abilities of a species. 0000018689 00000 n The two species are very similar genetically so males of both species will be attracted to females, which is why we are seeing a mix-up in the breeding.. Thats important because when the bears are on land, they do not hunt seals, said Laidre. 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. We dont know yet, but perhaps the intermediate skull of the pizzly could confer a biomechanical advantage.. Article #26 Tanning, UV Radiation and Skin Cancer. 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. Scientists believe the pizzly arose when polar . Additional licenses can be purchased at a discount for others to use in your department. "Polar bears spend much of the winter on the ice and then when the ice goes out in the early summer, they tend to move onto land for a period of time, and then when the ice forms again in the fall, they go out on the ice again. Article #12 Are Bed Bugs Keeping You Awake? In the meantime, Laidre hopes this studys information will be used to further understand the impacts of sea ice loss on the species.
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