进化(第 5 页)

关于生命如何几代人适应和变化——以及新物种如何形成的最新科学知识。

进化最新动态

An artist’s illustration of two Jormungandr walhallaensis mosasaurs fighting. The extinct creatrue is a long sea serpent with flippers, a shark-like tail, and narrow jaws. One is seen biting the other in the next, while pterosaurs fly above it.
进化

作者：Laura Baisas

Ma Rainey, a post-reproductive female of the Ngogo community of chimpanzees in Kibale National Park, Uganda, and her adult son Wes. The two are sitting among trees in a forest.
进化

作者：Laura Baisas

A life-sized reconstruction of the head and jaws of the oldest megapredatory pliosaur called Lorrainosaurus. The reptile is long and torpedo shaped, with closed jaws and sharp exposed teeth.
进化

作者：Laura Baisas

A group of worker bees surround the queen bee on a honeycomb. All worker honeybees are female and they can go to extreme lengths to serve their queen even shedding their own ovaries.
进化

作者：Laura Baisas

Three stage of digital reconstruction. From left, the Pierolapithecus cranium shortly after discovery, after initial preparation, and after virtual reconstruction.
进化

作者：Laura Baisas

AI-designed multi-legged robots on table
进化

作者：Andrew Paul

The cave lion remains from Siegsdorf, Germany are displayed alongside a reproduction of a wooden spear similar to those used by Neanderthals.
进化

作者：Laura Baisas

Human hand bones during an archaeological dig.
进化

作者：Laura Baisas

A newly discovered sauropod dinosaur left behind some epic footprints
进化

作者：Laura Baisas

White Sands NPS staff excavating fossilized human footprints from lakebed
进化

作者：Jocelyn Solis-Moreira

Two chimpanzees share a meal. A new study found that same-sex sexual behavior helps establish and maintain positive social relationships in animals including chimpanzees, bighorn sheep, lions, and wolves.
进化

作者：Laura Baisas

A green monk parakeet standing in dirt. Parrots could have a unique tone of voice just like humans do.
进化

作者：Laura Baisas

T. rex model, T. rex skull, and Triceratops skull at dinosaur display in the Museum of Natural History in Vienna
进化

作者：莱利·布莱克

This 6-million-year-old turtle shell still has some DNA
进化

作者：Laura Baisas

A hyenea shows its jaws. Giant hyenas went extinct about 500,000 years ago, but were roughly 240 pounds and skilled scavengers like their modern counterparts.
进化

作者：Laura Baisas

A tarantula with a mostly black body, but bright blue legs and pincers. Chilobrachys natanicharum is the first tarantula species found in Thailand’s mangrove trees. CREDIT: Yuranan Nanthaisong/ZooKeys.
进化

作者：Laura Baisas

Multiple reddish pink parasitic plants called balanophora growing in a forest. Balanophora shed one third of its genes as it evolved into a very streamlined parasitic plant.
进化

作者：Laura Baisas

A dissected ant and where you can see the encapsulated parasites (white oval structures) spilling out of the hind body.
进化

作者：Laura Baisas

Microraptor wearing helmet is shot out of a circus cannon to represent how dinosaurs evolved to fly. Illustration in red, yellow, blue, and green.
进化

作者：莱利·布莱克

Virgin Galactic spacecraft in suborbital flight above Earth
进化

作者：Andrew Paul

two jackdaws (Corvus monedula) on a branch
进化

作者：萨拉·凯莉·沃森

An artist’s illustration of the 25 million year old Ditjimanka Lumakoala blackae, featuring (left to right) the wallaby-sized herbivore Muramura williamsi, an extinct koala relative named Madakoala devis,i and the calf-size lizard called Ilaria lawsone.
进化

作者：Laura Baisas

An artist’s illustration of Fujianvenator prodigiosus, an avialan theropod who lived during the Late Jurassic period and had a lower leg that was twice as long as its thigh.
进化

作者：Laura Baisas

Two monkeys sitting in a forest. Dartmouth researchers report that apes and early humans evolved more flexible shoulders and elbows than monkeys to safely get out of trees. For early humans, these versatile appendages would have been essential for gathering food and deploying tools for hunting and defense.
进化

作者：Laura Baisas

A couple standing on the beach in warm sunlight.
进化

作者：Laura Baisas

An artistic reconstruction of Kylinxia, a relative of present day insects and crustaceans. It has two extended forelimbs, a round and segmented body, and three eyes on its head.
进化

作者：Laura Baisas

An illustration of a sabertooth tiger in a grassland. Sabertooth tigers went extinct between about 8,000 and 10,000 years ago.
进化

作者：Laura Baisas

A coral reef just off of an island in Palau. Coral reefs in Palau provide critical habitats for a number of species and provide a storm barrier.
进化

作者：Laura Baisas

Artist's interpretation of Venetoraptor gassenae in a Triassic landscape.
进化

作者：Laura Baisas

Members of the Dutch Tall Ship Oosterschelde wave goodbye from the quay in Rotterdam on August 4, 2023. The Rotterdam ship departs for a two-year world tour that scientist Charles Darwin made two centuries ago.
进化

作者：Laura Baisas

Artist impression of the stem pinniped Potamotherium valletoni swimming in his natural, freshwater environment. Grasses and plants grow below the animal, that has whiskers, legs, and flippers.
进化

作者：Laura Baisas

Our galaxy, the Milky Way.
进化

作者：Roberto Battiston/MIT Press Reader

Archaeologists dig in the dirt with a brush and scraper.
进化

作者：Laura Baisas

A man is looking in a glass case of coprolites collected in Nong Yakong village, Chaiyaphum Province, Thailand.
进化

作者：Laura Baisas

taxidermied two-headed goat kid
进化

作者：Ted Cavanaugh, 作者：Sara Kiley Watson

Reconstruction of Hupehsuchus about to engulf a shoal of shrimp. The ancient lizard widely opens its skinny snout and large mouth to swallow a large ball of shrimp.
进化

作者：Laura Baisas

A Heliconius butterfly with black, orange, and white on its wings.
进化

作者：Laura Baisas

An artist's rendition of the Perucetus colossus.
进化

作者：萨拉·凯莉·沃森

Artistic reconstruction of a group of Burgessomedusa phasmiformis swimming in the Cambrian sea.
进化

作者：Laura Baisas

A bee on a peach rose. Understanding how flowering plants and bees evolved together can help inform conservation efforts for pollinators and how to keep their populations healthy.
进化

作者：Laura Baisas

A scanning electron picture of a female Panagrolaimus kolymaensis nematode.
进化

作者：Laura Baisas

An artist’s impression of Solnhofia parsonsi’s environment in an Upper Jurassic lagoon 150 million years ago in what is now Lower Bavaria. The turtle swims in a shallow body of water, with fish swimming near it and pterosaurs flying above.
进化

作者：Laura Baisas

Giganotosaurus vs. T. rex in a screenshot from Jurassic World Dominion
进化

作者：Eva Botkin-Kowacki

parasitic horsehair worm
进化

作者：Maddi Langweil

An artistic reconstruction showing how this 300,000 year-old stick would have been thrown on a hunt. Two men stand in a shallow body of water, with one aiming the stick towards three birds.
进化

作者：Laura Baisas

An artist’s illustration of Alligator munensis, which is skimming the water with its eye out and surrounded by lush green trees. The large tooth sockets towards the back of its mouth suggest this extinct gator could crush shells and may have snacked on hard-shelled prey like snails.
进化

作者：Laura Baisas

A banded sea snake swimming freely
进化

作者：Laura Baisas

Oldest tunicate on record from the Cambrian explosion, illustrated on the ocean floor
进化

作者：Maddi Langweil

A honey bee pollinates a yellow flower against a bright blue sky.
进化

作者：Laura Baisas

Two male male rhesus macaques sit on the ground, one with his head down towards the other
进化

作者：Laura Baisas

An illustration of Anomalocaris, which lived 541 million to 530 million years ago during the Cambrian Period. The animal has two bulging eyes on the top of its head and spiny front appendages,
进化

作者：Laura Baisas

The silhouette of a female hunter with a bow and arrow at sunrise.
进化

作者：Laura Baisas

A spider monkey stands on a tree branch with a baby monkey on her back.
进化

作者：Laura Baisas

An orangutan sits in the forest and looks forward with its hands under its chin.
进化

作者：Laura Baisas

An artist's illustration of a megalogon, which went extinct 3.6 million years ago and are believed to have grown to lengths of 50 feet.
进化

作者：Laura Baisas

A close-up of a katydid, an insect with six long and lean legs.
进化

作者：Laura Baisas

Close-up photos of three fossil animal specimens from the same area and time horizon as the fossil hominin tibia studied by the research team. These fossils show similar cut marks to those found on the hominin tibia studied. The photos show (a) an antelope mandible, (b) an antelope radius (lower front leg bone) and (c) a large mammal scapula (shoulder blade).
进化

作者：Laura Baisas

An artist’s reconstruction of Olympicetus thalassodon pursuing a school of fishes alongside plotopterid birds (background) somewhere in the eastern North Pacific Ocean.
进化

作者：Laura Baisas

Examples of engravings discovered in the Roche-Cotard cave (Indre et Loire - France). On the left, the "circular panel" (ogive-shaped tracings) and on the right the "wavy panel" (two contiguous tracings forming sinuous lines).
进化

作者：Laura Baisas

A white Andalusian horse galloping in a field.
进化

作者：Laura Baisas

Bite marks on Triassic fossils show signs of bloody dino decapitation
进化

作者：萨拉·凯莉·沃森

This extremely metal Cretaceous dinosaur grew blade-like armor
进化

作者：萨拉·凯莉·沃森

Australian giant skink
进化

作者：萨拉·凯莉·沃森

Two ants facing one another. Ants release a pheromone that helps other ants sense danger.
进化

作者：Laura Baisas

© .