關於 elephant evolution ，我們在網路上蒐集到這些相關的討論、資訊與評價

#11. Ivory poaching has led to evolution of tuskless elephants ...

Ivory poaching over decades has led to the evolution of tuskless elephants, researchers have found, proving that humans are “literally ...

#12. The evolution and phylogeography of the African ... - NCBI

The evolution and phylogeography of the African elephant inferred from mitochondrial DNA sequence and nuclear microsatellite markers.

#13. A comprehensive genomic history of extinct and living elephants

Most of the straight-tusked elephant's ancestry derives from a lineage related to the ancestor of African elephants while its remaining ancestry ...

#14. Under poaching pressure, elephants are evolving to lose ...

A male elephant's tusks are bigger and heavier than those of a female of ... Another collaborator, Shane Campbell-Staton, an evolutionary ...

#15. Tuskless Elephants Escape Poachers, but May Evolve ...

A tuskless elephant in Gorongosa National Park in Mozambique. ... ivory that the animals seem to have evolved in the space of a generation.

#16. The Evolution and Phylogeography of the African ... - JSTOR

1994 L. S. Eggert and others African elephant phylogeography and evolution multiple fixed genetic differences between forest elephants.

#17. Elephants have evolved to be tuskless because of ivory ...

Elephants have evolved to be tuskless because of ivory poaching, a study finds · Goats and Soda · GPS Trackers In Fake Elephant Tusks Reveal Ivory ...

#18. Elephant | Description, Habitat, Scientific Names, Weight ...

elephant, (family Elephantidae), largest living land animal, ... of the elephant is one of the most versatile organs to have evolved among mammals.

#19. Tuskless Elephant Evolution Explained | World Economic Forum

Tuskless Elephant Evolution Explained. Posted December 7, 2021. The question of how the genetic trait of tusklessness was passed down has been a mystery to ...

#20. The ins and outs of elephant evolution - Earlham Institute

Elephants once roamed the earth, and genomics research has now revealed the fascinating evolutionary story of elephants both living and long extinct.

#21. Why no tusks? Poaching tips scales of elephant ... - Phys.org

The years of unrest "changed the trajectory of evolution in that population," said evolutionary biologist Shane Campbell-Staton, based at ...

#22. Animal rituals and elephant evolution - WHYY

Elephant researcher CAITLIN O'CONNELL has spent 30 years studying wild elephants in Namibia, observing their complex behavior, and has seen many ...

#23. 'Rapid evolution' of tuskless elephants caused by ivory ...

Ivory poaching has led to a "rapid evolution" of tuskless African elephants, as elephants without tusks were more likely to survive during ...

#24. Elephants are being born without tusks. A geneticist explains ...

Could ivory poaching forever change elephant anatomy? ... The evolution of tuskless elephants is an example of 'harvesting selection' or ...

#25. Ivory hunting drives evolution of tuskless elephants - Nature

In Mozambique, the selective poaching of elephants with tusks has led to ... African elephants have evolved towards tusklessness in an area ...

#26. Ancient DNA changes everything we know about ...

The palaeoloxodan antiquus has been extinct for 120 000 years. This elephant roamed Europe and western Asia during the last ice age, about 400 ...

#27. Elephants | HHMI BioInteractive

In this activity, students work with authentic research data to explore the impact of poaching on African elephants. Evolution. Science Practices. Lessons. High ...

#28. Poaching is altering the genetics of wild animals - Vox

Sometime in the distant past, well before humans walked the Earth, the ancestors of modern-day elephants evolved their iconic tusks.

#29. Tuskless elephant evolution linked to ivory hunting - BBC

A new study suggests that severe ivory poaching in parts of Mozambique has led to the evolution of tuskless elephants.

#30. Elephant Genomes Reveal Accelerated Evolution in ...

Detailed analyses of cancer prevalence and mortality in elephants may provide insights into how elephants evolved to handle disease. Here, we ...

#31. Elephant Evolution: Merge Idle - Apps on Google Play

Now let's talk about the elephant in the room: elephants themselves!They're nosy, they're noisy and some of them can even fly! The cheek!

#32. Elephant poaching has shaped the evolution of tuskless ...

Elephant poaching has shaped the evolution of tuskless elephant putting 'Big Tuskers' on the brink ... The Tsavo Trust is a wildlife conservation ...

#33. Why no tusks? Poaching tips scales of elephant evolution

WASHINGTON (AP) — A hefty set of tusks is usually an advantage for elephants, allowing them to dig for water, strip bark for food and joust ...

#34. Elephants have evolved to be tuskless in response to ivory ...

Elephants have evolved to be tuskless in response to ivory poaching, study finds ... Researchers in Mozambique found a dramatic shift within 15 ...

#35. The evolution of tuskless elephants foils poachers, but at a ...

Now, recent research shows that poaching during this period caused rapid evolution in the elephant population, specifically, the rise of tuskless elephants.

#36. Ivory poaching and the rapid evolution ... - Princeton University

Civil War (1977 to 1992) on the evolution of African savanna elephants (Loxodonta africana) in. Gorongosa National Park. Poaching resulted in strong ...

#37. Human-driven speciation: A peek into how we may alter the ...

Evolution is the fundamental concept that has given birth to a rich diversity of ... We chose African elephants to present our narrative.

#38. Palaeogenomes of Eurasian straight-tusked elephants ... - eLife

To better understand the evolutionary relationships between the extinct straight-tusked elephants and other elephant species, we attempted DNA ...

#39. Elephant Evolution - Elephant-World

It is believed that the ability adapt to a variety of different environments allowed elephants to evolve about 50 to 60 million years ago. Some ...

#40. Elephant evolution, diagram - Stock Image - C002/9452

Elephant evolution, diagram. Nine species are named over six geologic time periods from 55 million years ago to the present.

#41. Females have evolved to lose tusks due to ivory poaching

Female elephants in Mozambique rapidly evolved to become tuskless as a result of intense ivory poaching during the country's civil war, ...

#42. Elephants evolved strategies reducing the biomechanical ...

Elephants evolved strategies reducing the biomechanical complexity of ... The elephant proboscis (trunk), which functions as a muscular ...

#43. Evolution of life history traits in elephants - Ecology Center

The term life history broadly refers to a host of anatomical, physiological, and behavioral characteristics of a species, although it is ...

#44. Evolution of Sengis (Elephant Shrews)

Evolution of Sengis (Elephant Shrews) ... Within the immensity of the Namibian desert lives a surprising number of animal species. It is home to giraffe and ...

#45. Female Elephants Are Evolving Without Tusks in Mozambique

This activity may have set off an evolutionary response that favored tuskless elephants as population numbers recovered.

#46. No more tusks in Mozambique? Poaching alters elephant ...

The years of unrest “changed the trajectory of evolution in that population,” said evolutionary biologist Shane Campbell-Staton, based at ...

#47. Evolutionary history of elephants is being rewritten by a ...

Fossils show that the straight-tusked elephants arrived in Eurasia around 750,000 years ago and that they left Africa through the Middle East.

#48. Human-Elephant Conflict: A Review of Current Management ...

Human-elephant conflict is a major conservation concern in elephant ... “Elephants in time and space: evolution and ecology,” in Elephants ...

#49. Elephant genes could hold the key to avoiding cancers

The research, published in Molecular Biology and Evolution, provides new insights into molecular interactions which could help people become ...

#50. Evolution of Elephants | Encyclopedia MDPI

Elephants are the largest existing land animals. Three living species are currently recognised: the African bush elephant, the African forest elephant, ...

#51. Ivory poaching and the rapid evolution of tusklessness in ...

We examined the impacts of ivory poaching during the Mozambican Civil War (1977 to 1992) on the evolution of African savanna elephants (Loxodonta africana) ...

#52. Evolution of elephant | Zoology for IAS, IFoS and other ...

Evolution Of Elephant · Height increased to 10-13 feet and weight 6-7 tons. · rectigrade locomoLimbs became long and pillar-like to support heavy weight of body ...

#53. One of the largest ever land mammals evolved into a dwarf ...

An extinct species of dwarf elephant experienced a weight and height reduction of 8000kg and almost two metres after evolving from one of ...

#54. African Elephants Evolved Tusklessness Amazingly Fast

African Elephants Evolved Tusklessness Amazingly Fast. But at what cost? By Ed Yong. A tuskless female elephant and her calf.

#55. Are Tuskless Elephants Evidence of Rapid Darwinian ...

Is the proliferation of elephant tusklessness evidence of Darwinian evolution? While various forms of evolution have been promoted for ...

#56. Tuskless elephants a reminder of human's unchecked ...

Due to human activity, the lengthy process of natural evolution has been compressed into as brief as one generation.

#57. The Origin of the Elephant's Trunk - CHEST Journal

The development of a longer neck was not possible in the proboscideans, for the evolutionary path seems already committed them to exceptionally large heads.

#58. [大象崛起Evolution of Elephants]-象群特展(2017年6月28日

大象崛起Evolution of Elephants. 在分類學上大象屬於哺乳綱、長鼻目，從化石記錄中，最早的長鼻目動物乃起源於六千萬年前（古新世）非洲北部摩洛哥附近的始長鼻 ...

#59. Study: Intense Ivory Poaching Resulted in Rapid Evolution of ...

In response to heavy poaching by armed forces during the 20-year Mozambican civil war, populations of African savanna elephants (Loxodonta ...

#60. Tuskless Elephants Evolved to Escape Poachers - Discovery

discovery.com details the recent discovery that elephants in Mozambique have evolved without tusks to escape poaching.

#61. Intense Ivory Poaching Leads to Rapid Evolution of Tuskless ...

Tuskless African Elephant ... in the rapid evolution of tusklessness in female African elephants amid a precipitous population decline.

#62. How the Elephant Lost its Tusks

In this activity children will relate animal adaptation to concepts of natural selection and evolution in context of declining elephant populations.

#63. Elephant Evolution | Sutori

Elephant Evolution · 1 BCE. Eritherium Azzouzoriium. Share. Lived around 60 million years ago, during the Paleocene epoch · 2 BCE. Paleomastodon. Share. Lived ...

#64. Evolution of mammalian olfaction - Genome Research

African elephant genome suggests they are superior smellers. July 22, 2014 - Sense of smell is critical for survival in many mammals.

#65. Poaching drove the evolution of tusk-free elephants

The confirmation that this pattern behaved like a genetic change suggested that the tuskless elephants were an evolutionary response to poaching ...

#66. The dental factor in elephant evolution - The Hindu

The dental factor in elephant evolution ... A recent study published in Nature shows how the African elephant started evolving morphologically ...

#67. Phang Nga Elephant Park | Facebook

EVOLUTION OF THE ELEPHANT At #phangngaelephantpark we often speak about the history of the Park and the elephants that live with us, but it's rare that...

#68. July: Elephants evolution | News and features

The study, published today in Nature Ecology & Evolution, challenges claims that early human hunters slaughtered prehistoric elephants, ...

#69. Evolution of Elephant Poster - Art By God Mineral and Nature ...

Evolution of Elephant Poster. $30. Laminated Poster, Evolution of Elephant Overall Size: W. 24″ H. 36″. Only 1 left in stock. Add to cart.

#70. Uniqueness in the life sciences: how did the elephant get its ...

Let's compare two evolutionary narratives concerning elephant trunks. The first narrative links the evolution of the trunk to a common adaptive ...

#71. In Ancient Bones, an Elephant-Size Surprise

The straight-tusked elephant is now an example of convergent evolution, starting from an ancestor that had more in common with African elephants ...

#72. Chronology and Mode of Elephant Evolution Using ... - PLOS

We have sequenced the complete mitochondrial genome of the extinct American mastodon (Mammut americanum) from an Alaskan fossil that is ...

#73. (PDF) Evolution in Elephants through Geological Times

About 180 million years ago, mammals arose from a reptile-like lineage about the same time as true dinosaurs. About 80 Million years ago, the genetic linage ...

#74. Fossil dental exams reveal how tusks first evolved | UW News

Many animals have tusks, from elephants to walruses to hyraxes. But one thing today's tusked animals have in common is that they're all ...

#75. Elephants | Paleo Sleuths

Elephants evolved primarily in the Old World and came to North America during a series of migrations. The immigrant elephants evolved into new North ...

#76. Elephants

Ancestry and evolution; Range and Status; Anatomy. Size; Legs; Trunk (including some weird speculation on evolutionary origins); Tusks & skull; Cheek ...

#77. The rise and fall of elephants - EurekAlert!

Until then, the evolution of these animals was quite slow and the few existing ... Today's elephants are among these evolutionary newcomers.

#78. An Ancient Descendant: The Straight-Tusked Elephant - Medium

Future research could include obtaining DNA sequences from other extinct elephant species in order to accurately piece together the evolutionary ...

#79. Genetic study shakes up the elephant family tree

Evolution. New research reveals that a giant elephant that lived 1.5 million to 100,000 years ago – ranging across Eurasia before it went ...

#80. "Ecological and evolutionary dynamics of elephant rewilding ...

(3) How much of an Asian elephant's functional role in the environment can captive animals still fulfill and how may this influence the evolutionary ...

#81. One of the largest ever land mammals evolved into extinct ...

An extinct species of dwarf elephant experienced a weight and height reduction of 8000kg and almost two metres after evolving from one of ...

#82. Uli Westphal - Elephas Anthropogenus

After the fall of the Roman Empire, elephants virtually disappeared from Western Europe ... This tree diagram traces the evolution of the elephant depiction ...

#83. Elephants evolved strategies reducing the ... - Cell Press

The elephant proboscis (trunk), which functions as a muscular hydrostat with a ... here that elephants evolved strategies that reduce the ...

#84. Of mice and elephants, Monash scientists shed new insights ...

“Each gram of elephant has a metabolic rate that is much, ... “We then used these data to simulate evolution across the animal tree of life ...

#85. 50 Million Years of Elephant Evolution - ThoughtCo

In fact, these huge, lumbering beasts evolved from the tiny, mouse-sized mammals that survived the K/T Extinction 65 million years ago. And the ...

#86. Tuskless elephants became common as an evolutionary ...

When ivory poachers target elephants, the hunters can affect more than just animal numbers. In Mozambique, past hunting pressure led to an ...

#87. A Review of Human-Elephant Ecological Relations in ... - MDPI

Elephants (Order: Proboscidea) evolved some 60 million years ago. Over this period, the elephant order included 10 families, 42 genera, and 175 species, ...

#88. African Elephants and Climate Change | Pages | WWF

African Elephants (Loxodonta africana) occur across a range of diverse habitats, are exposed to broad climate variability, and feed on a number of different ...

#89. Elephants born without tusks in 'evolutionary response' to ...

Elephants born without tusks in 'evolutionary response' to violent poachers. Rare genetic condition in Gorongosa National Park in central ...

#90. Some elephants are evolving to have no tusks as a ... - CNN

... But an increasing proportion of female elephants in Mozambique's Gorongosa National Park have been born without them -- an evolutionary ...

#91. Poaching Has Caused 'Rapid Evolution' of Tuskless ...

Armies on both sides hunted African elephants for their tusks, selling the ivory to finance war efforts over 15 years. By 1992, the elephant ...

#92. Ancestors - Evolution of the Elephant - Google Sites

Some ancestors of the elephant are the Trilophodon, Deinotherium, Platybelodon, Primelephas, Mastadons, Mammoths and the only two remaining animals, ...

#93. Evolution of Addo Tuskless Elephants - Chrislin African Lodge

Evolution of Addo tuskless elephants. The difference between male and female African elephants and why some don't have tusks at Addo ...

#94. Genetic Insight into an Extinct Population of Asian Elephants ...

The Asian elephant (Elephas maximus, L. 1758) is an endangered species whose ... elephants challenge the current view of elephant evolution.

#95. Elephants are evolving to be tuskless after decades of ... - CBC

Poachers hunting elephant ivory may have met their match in one of ... has reported that elephant survivors have evolved much smaller tusks, ...

#96. Scientists say ivory poaching has led to 'rapid evolution' of ...

The elephant population declined by more than 90 percent during the war, ABC reported, and the hunting of elephants for their tusks “resulted in ...