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Questions tagged [adaptation]

Adaptation refers to both the current state of being adapted and to the dynamic evolutionary process that leads to the adaptation.

13 questions with no upvoted or accepted answers
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How do coyotes remove cactus needles from their paws?

Here, in Arizona, coyotes roam and hunt in the desert. While hiking with dogs, I often see spiny bits of Teddy bear cholla cactus on the ground. Dogs often step on these and get stung by the ...
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What natural defence mechanism does the human body have against lead poisoning?

It is known that lead ion takes place of necessary ions, like calcium, in the body, but does not perform their task, hence wrecking the system. So how does the body eventually recognise this threat ...
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Does Batesian mimicry rely on constant reinforcement?

If the species being mimicked, the monarch butterfly, for instance, were to become extinct, would the species mimicking it loose all of the benefit gained by their Batesian mimicry immediately? I ...
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Which organisms require the least fluctuation in ambient temperature?

Note that I am NOT asking "which organism can survive the most extreme temperatures." Many extremophiles like the tardigrade can survives extreme heat, but also extreme cold. Many heat adapted animals ...
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Did the number of rods changed from ancient time?

Correct me if I am wrong, but I know that rods work under limited light conditions only. But now we are in a world that always have lights everywhere unlike ancient time when humans had to deal with ...
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Bergmann's rule and Allen's rule: endotherms and ectotherms

Surface area to volume ratio (in terms of heat conservation) is not the only mechanism, but it is still an important mechanism for explaining Bergmann's rule and Allen's rule. Given that, I want to ...
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Why is Pilobolus phototropic?

Pilobolus is a fungal genus whose fruiting bodies consist of a stalk ending in a spore mass that is launched via turgor pressure to disperse the spores. The fruiting bodies grow towards light, which ...
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Who were the first authors to talk about local adaptation?

I was curious to read about what Darwin had to say about the existance of locally adapted subpopulations. I discovered to my surprise that the expressions and terms "local adaptation", "spatial ...
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324 views

How do migrating geese handle hurricanes?

I live on the East coast of the United States, where we are in hurricane season. This week during my morning bike rides in Charlotte, North Carolina, I have seen migrating Canadian geese. I'm curious ...
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What makes delayed onset muscle soreness stop occurring?

If someone lifts weights or takes a long jog after not doing it for a while, they can experience delayed onset muscle soreness (DOMS). However, when they return to the same exercise days afterwards, ...
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Why is reducing the amount of detail required to remember the location of an object in one's environment adaptively significant?

In Campbell's Biology Chapter 51, question 36 reads: Which of the following shows the adaptive significance of cognitive mapping to animals that employ this type of learning? A) It ...
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108 views

Can human change its morphology or anatomy due to ecological changes?

According to Charles Darwin, as the surrounding environment changes, so changes the anatomy or morphology of a specific organism. But nowadays, humans have become very advanced in the technology and ...
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202 views

Which are the most extreme artificial environments that lifeforms/ecosystems have adapted to?

I have heard of 'extremophiles', lifeforms that naturally thrive in all sorts of extreme environments. Is there any evidence to suggest that lifeforms are adapting to the extreme environments (such ...