Search Results for: Vertebrates
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1,544 results
1,544 results for: Vertebrates
- Life
Genes gives clues to outcome of species interbreeding
Genetics provides clues to why hybrid river fish formed a subspecies but insects formed a new species.
- Life
Domesticated animals’ juvenile appearance tied to embryonic cells
Mild defects in embryonic cells could explain physical similarities along with tameness across domesticated species.
- Life
Primitive fish could nod but not shake its head
Ancient fossils reveal surprises about early vertebrate necks, abdominal muscles.
- Animals
Fish-eating spiders are the stuff of nightmares
Spiders that feast on fish can be found on every continent but Antarctica, a new review finds.
- Animals
New fungus species found killing salamanders
First there was amphibian killer fungus Bd. Now there's Bs.
- Genetics
Elephant shark genome small and slow to evolve
The animals have the smallest genome of non-bony fishes and the slowest-evolving genes among vertebrates, a study suggests.
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- Animals
Secrets of a sailfish attack
The large, long-nosed sailfish use their rostrums more like a sword than a spear to attack prey.
- Animals
Ten real-life Halloween horrors in the natural world
Vampires and witches are nothing compared to mind-controlling parasites, nose ticks and antibiotic-resistant superbugs.
- Animals
Frustrated fish get feisty
Smaller rainbow trout become more aggressive towards bigger fish when they don’t their usual treats.
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Letters to the editor
Invertebrate enigmas I found the recent article “Evolutionary enigmas” (SN: 5/18/13, p. 20) fascinating because I know of another example of an invertebrate animal possessing a “strictly vertebrate” quality. As a high school human anatomy and physiology teacher, I sometimes have my students test the effects of the constituents in cigarette smoke on live Daphnia […]
- Life
Rivalry helps fruit flies maintain brainpower
In lab tests, males dim mentally after generations without competitors.
