Ever wondered how exactly a fish stays afloat? Ever wondered why exactly a wolf needs to consistently maintain homeostasis? Whether in the classroom or just for fun, all your answers can be found here.
Cellular organization, the chemicals of life, energy use, response to surroundings, growth and development, and reproduction are the six characteristics of living things.
The life characteristic response to surroundings explains bird’s predatory instincts and protective tracts.
The tree, which does not move away, is considered a living thing as well. This is because it is not dead, continues to thrive off of carbon dioxide, produces oxygen, and genuinely ‘looks’ alive.
Image via Wikipedia
The idea of spontaneous generation means that something undead could produce ‘alive’ things. For example, if flies are swarming around decaying meat, hundreds of years ago it would be considered that flies could ‘appear’ from the meat. This was incorrect. It is possible for flies to lay eggs in rotting meat or other, but ’spontaneously’ appearing out of meat with no biological reproduction or other is scientifically impossible.
This idea is incorrect because it is simply not possible for dead things, or bacteria, to spontaneously generate flies, or spontaneously generate deers, or whatever might be a valid example. Although life is considered to start from bacteria and work its way to becoming animals, plants, or other, it is not possible to eradicate years of evolution and replace it with the simple spawning of something.
Pasteur’s experiment helped show that spontaneous generation does not occur by a carefully observed broth experiment; both were closed, but only one broth container was boiled. The other one was not. The one that was hadn’t been boiled gathered bacteria quickly, while the other did not. This proved that spontaneous generation does not occur.
Four things all organisms need to survive are food, living space, water, and stable internal conditions.
A thick coating of fur helps a fox maintain homeostasis by constantly adjusting to its environment and personal needs. When it gets chilly in the winter, it grows a thick, dense fur, therefore keeping it warm. A shorter fur in the summer means keeping the temperature for its cells mild and manageable (since it’s warmer, you would need less a fur coat than if you were in the middle of winter).