Search Results for: Vertebrates
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1,539 results
1,539 results for: Vertebrates
- 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.
- Climate
How species will, or won’t, manage in a warming world
Fast evolution and flexibility, in biology and behavior, may allow some species to adapt to a warming world. Others may need help from humans, or risk dying out.
- Paleontology
Hunting fossils in England
On Monmouth Beach, just west of the center of Lyme Regis, amateur and professional collectors have been making discoveries for more than two centuries.
- Animals
Comb jelly immune system can spot old enemies
Animal at base of family tree could help researchers understand the evolution of immunity.
- Animals
African frog conceals itself with chemicals
Two small peptides keep the West African savanna frog from being stung by ants.
- Animals
Lizard breath has surprising birdlike flow
Decades of assumptions may be wrong about the evolution of reptile lungs.
