A process defining organisms that grow and adapt to stimuli while maintaining a state of organization and energy production and being capable of reproduction.
Questions tagged [life]
107 questions
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Any examples of life forms on Earth that could have survived on Mars or Moon?
Do we know of any living forms on Earth that could continue to live on Mars?
Sergo Pasoevi
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are sperms considered living
recently i got into a debate with this question on hinduism.se ,
as the link given above shows, are sperms considered as living or non-living
as far as my knowledge is concerned, sperms undergo locomotion, senescence, more over the best thing to…
agha rehan abbas
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What makes living beings alive?
To clarify, I'm not asking about the common properties of living organisms, such as reproducing and having a metabolism, etc. What I'm curious about is, what is the difference between organic molecules and actual living beings?
For example, if a…
Mertcan Ekiz
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How did life survive in the Snowball Earth theory?
There is this theory that says that the whole Earth was once covered with snow and ice. How was it possible for life to survive this extreme state?
Deschele Schilder
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Lifeless Lake in Siberia
There is a lake in Siberia called Lake Pustoye. No life exists in the lake. There are no fishes and no plants and even trees around the lake die . No birds even visit this lake .The lake even has bubbles in it like champagne .The water has been…
Peter U
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Has anyone 'broken' an organism and then restored it to life?
Has anyone 'broken' an organism, rendering it unable to reproduce, then repaired it and observed it returned to being able to reproduce?
An example would be to restore the reproductive capacity to a cell rendered lifeless from radiation.
I've…
Randy Zeitman
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Could something akin to Cyanobacteria evolve on earth today or are all available niches taken for different kind of life to come to be?
The most basic form of my question would have to be: could new life form from molecules as happened with the first life on earth, here on earth? If not why not?
Q The Great
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Formation of life on other Planets
At the present time it looks as if there is no other life in the Universe other than here on Earth . If this is true then why didn't it occur anywhere else ? Is it possible for something to happen only once ? Hundreds of Billions of other Planets…
Peter U
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Is there any evidence or example of "trade" or "money" in single cell organisms?
Single cells (like bacteria or eukaryotes) are extremely complex "machines" which can take input and produce output, and generally just live life. The question is, is there any example of "trade" (as in, "commerce") between cells, or within a cell…
Lance
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The very first living organism model
Can you advice me where I can find explanation, what was the very first living organism on Earth? I am looking for nicely explained material, preferably with some 3d models and animation, showing how it could work. Maybe a computer emulation?
The…
eugenekr
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Is life deterministic in nature?
I am wondering, according to our current understanding, whether life is completely deterministic. To begin with, consider a single-celled organism, do we have any evidence of any single celled organism deviate from the law of cause and effect ?…
