Evolutionary Advantage facts

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Ancient DNA shows how recent adult lactose tolerance is, in evolutionary terms. 20,000 years ago, it was non-existent. Today, about 1/3 of all adults have tolerance. That lightning-fast evolutionary change suggests that direct milk consumption must have provided a serious survival advantage

how is being cute for a dog an evolutionary advantage?

Owls have serrations on the edge of their flight feathers, allowing an owl's flight to be practically silent. Some fish-eating owls, for which silence has no evolutionary advantage, lack this adaptation.

What evolutionary advantage does compartmentalization offer eukaryotes?

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what evolutionary advantage does the testa provide for angiosperms?

1. The dodo bird's flightlessness and lack of a fear response was actually an evolutionary advantage before humans arrived, allowing them to conserve energy on an island with no predators.

2. Goosebumps are an evolutionary leftover related to our long lost fur. Its advantage: insulation, and enlargening our body when threatened.

3. Lactase persistence (the ability to digest milk) evolved relatively recently, 5,000 years ago in Europe, and spread quickly, as far as India, it is a dominant gene that offers strong evolutionary advantages

4. ADHD might have been an evolutionary advantage to our ancestors

5. The Evolutionary Advantage of Depression: Depressive symptoms are inextricably intertwined with -- and generated by -- physiological responses to infection that, on average, have been selected as a result of reducing infectious mortality across mammalian evolution.

6. From a evolutionary standpoint, the reason we men like somewhat big butts on females is because of the advantage it provided of carrying multiple pregnancies with a low risk of injury and foraging longer for food

7. In 2005 scientists theorized that murder is an evolutionary advantage in humans. They believe that "homicide could have been beneficial enough to our ancestors’ reproductive success to lead to the evolution of adaptations for murder."

8. Researchers have hypothesized that genes predisposing to homosexuality confer some evolutionary advantage in heterosexuals who carry them, explaining why homosexuality is maintained in the population at a high frequency despite lowering reproductive success.

9. People with colour blindness have an evolutionary advantage to be able see different shades of khaki that a person with regular sight could not distinguish.

10. Psychopathy may be an evolutionary advantage; psychopaths are more efficient when it comes to survival and reproduction, because of their willingness to do what others won't and emotionless reasoning in times of necessity.

From an evolutionary perspective why is self-awareness advantageous for animals?

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Getting sloppy seconds sex is actually evolutionary advantageous. The shape of my penis has evolved to remove competitor's sperm out of my female companion's vagina.

The visible spectrum is almost exactly the band of wavelengths that pass through water, probably because it's an obvious evolutionary advantage for water to be transparent - source

Study shows wrinkly fingers caused by damp or wet could be an evolutionary advantage and makes it easier to pick up wet or underwater items - source

The top ½ of (only) the Sperm Whale's head is an enormous balloon of dozens of bathtubs of gunk that looks like sperm. It smells great, feels awesome, was the finest lamp oil and the chief objective of whalers. [See Chap 77] But even today it's not settled what the evolutionary advantage is. - source

What evolutionary advantage does the testa provide for angiosperms?

The genetic mutation that causes alcohol flush reaction appeared 10,000 years ago in China when rice farming started. This may have given an evolutionary advantage to early rice farming populations by allowing them to enjoy the positive effects of rice alcohol without falling prey to alcoholism.