生物学(第 13 页)

关于地球及其他地方生命的指南，包括有关植物、动物和生理学的最新消息。

生物学最新动态

An artist's rendition of the Perucetus colossus.
进化

作者：萨拉·凯莉·沃森

Fluorescent dye shows the growth of teeth and bones.
生物学

作者：拉胡尔·拉奥

A moth called a tobacco budworm on a green leaf. Moths like the tobacco budworm use pheromone signaling to find mates.
生物学

作者：Laura Baisas

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

作者：Laura Baisas

A gloved hand holds police tape in a crime scene investigation.
生物学

作者：Jocelyn Solis-Moreira

large dinosaur skull sits in storage area
生物学

作者：Riley Black, 作者：Theo Stroomer

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

A pink river dolphin, or boto, displaying aerial behavior in the Mamirauá Sustainable Development Reserve.
生物学

作者：Laura Baisas

An aerial view of Mont Saint-Michel in northern France. The Paris Basin region is known for prehistoric funerary sites archaeologists use to study early neolithic settlements.
生物学

作者：Laura Baisas

Dead elkhorn coral at Sombrero Reef in the Florida Keys. The white areas are bleached coral, the brownish orange patches are "tissue slough", coral tissue that has died before it has a chance to bleach.
生物学

作者：Laura Baisas

A kākāpō chick. The birds are are large flightless parrots from New Zealand who are masters of camouflage and known for a booming call.
生物学

作者：Laura Baisas

deep sea bubbles
生物学

作者：Annie Roth / Hakai Magazine

American actor Richard Dreyfuss (left) (as marine biologist Hooper) and British author and actor Robert Shaw (as shark fisherman Quint) look off the stern of Quint's fishing boat the 'Orca' at the terrifying approach of the mechanical giant shark dubbed 'Bruce' in a scene from the film 'Jaws' directed by Steven Spielberg, 1975.
生物学

作者：Laura Baisas

parasitic horsehair worm
进化

作者：Maddi Langweil

A car passenger appears to feel nauseous with her hand to her mouth.
生物学

作者：本·瓜里诺

A saber tooth cat fossil is displayed during a press preview of the Smithsonian's National Museum of Natural History on June 4, 2019.
生物学

作者：Laura Baisas

Study author shows off the compressed mycelium sheets she created for the project
生物学

作者：萨拉·凯莉·沃森

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

Illustration showing Repenomamus robustus as it attacks Psittacosaurus lujiatunensis moments before a volcanic debris flow buries them both about 125 million years ago.
生物学

作者：Laura Baisas

full venus flytrap on black background
生物学

作者：Ali Blumenthal，作者：艾伦·艾哈特

A green sea turtle swims in the ocean.
生物学

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

Red pieces of CRISPR-edited wood against the paler natural type.
生物学

作者：Jocelyn Solis-Moreira

A dire wolf reconstruction on exhibit at the La Brea Tar Pits & Museum.
生物学

作者：Laura Baisas

A banded sea snake swimming freely
进化

作者：Laura Baisas

Influenza Ward No. 4 showing Partitions thru the Ward, U.S. Army Camp Hospital Number 45, Aix-les-Bains, France, 1914-1918
生物学

作者：Richard Conniff/MIT Press Reader

A large group of shells on a beach. Organisms with hard, durable parts, like shells, are more likely to be preserved as fossils than organisms composed entirely of soft tissue.
生物学

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

Jars of animal and plant specimen.
生物学

作者：Darren Incorvaia/Undark

Mitosis
生物学

作者：Amber Dance/Knowable Magazine

A four-legged spider mite sits on a plant.
生物学

作者：Laura Baisas

Crotalus helleri snake
生物学

作者：Laura Baisas

Octopuses brooding near hydrothermal vents deep under water. The 19-day Octopus Odyssey expedition located a site of low temperature (7oC) hydrothermal venting with brooding octopus on an unnamed outcrop that was explored for the very first time on this trip.
生物学

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

falcon perches on handler's glove, jersey shore attractions in background
生物学

作者：Laura Baisas, 作者：Jutharat Pinyodoonyachet

Common bottlenose dolphins swimming in Coffee Bay in South Africa.
生物学

作者：Laura Baisas

A Cryo-EM map of a Fanzor protein indicated by gray, yellow, light blue, and pink in complex with ωRNA indicated in purple and its target DNA in red. Non-target DNA strand in blue.
生物学

作者：Laura Baisas

A greater honeyguide feeding on beeswax with an open mouth in Niassa Special Reserve in Mozambique.
生物学

作者：Laura Baisas

A green adult L. heckscheri frog sits amid some rocks and fungus.
生物学

作者：流行科学团队

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

作者：Laura Baisas

A sweating young man with a yellow towel.
生物学

作者：Eva Botkin-Kowacki

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

作者：Laura Baisas

A saltwater crocodile peering up over green-ish water.
生物学

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

A cockscomb pearl mussel.
生物学

作者：拉胡尔·拉奥

Close up of GOOD Meat lab-grown chicken on table
生物学

作者：Andrew Paul

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

Bumblebee pollinator over red and orange flowers
生物学

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

Lucy, our ancient human ancestor, was super buff
进化

作者：萨拉·凯莉·沃森

single fruit fly
进化

作者：萨拉·凯莉·沃森

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