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Screams, body language, pheromones.
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1. Squid inkjet.
The squid has a flat and soft body, making it ideal for living on the bottom of the sea. The squid usually moves slowly in waves, but when it encounters danger, it will leave behind strong enemies at a speed of 15 meters (54 kilometers per hour) per second. Some squid can travel at speeds of up to 150 kilometers per hour.
Not only does it flee faster, it hunts faster.
Squid is a color-changing expert in water, and its body gathers millions of red, yellow, blue, black and other pigment cells, which can react within a second or two to adjust the size of the pigment sac in the body to change its own color, so as to adapt to the environment and escape predators.
The squid's body has an ink sac with thick black ink in it, which quickly spews out when it encounters an enemy, staining the surrounding sea water black and covering its escape.
2. Bat positioning.
Most bats also have a keen auditory orientation (or echolocation) system that can send ultrasound waves through their throats and then use the ultrasound responses to orient and detect targets. There are some species of the face that have evolved special structures that increase sonar reception, such as nasal lobes, multiple folds on the face, and complex large ears.
Sound waves that rise to 20,000 hertz from the mouth are called "ultrasound" and cannot be heard by humans. When the ultrasound hits an obstacle, it bounces back and travels to the bat's sensitive ears. Bats use their brains to determine whether to eat or flee by judging the appearance of obstacles.
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In order to communicate information between animals living in groups, information is often transmitted through "language", and the ways of transmitting information are: movements, smells, sounds, postures, etc., such as ants transmitting through smell; The bees transmit through movement (the distance between the hive and the nectar source is represented by different dances); Lions, tigers, baboons, etc., transmit messages through sound.
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According to common sense, the well-known animal language mainly includes: auditory signals, such as birds calling the opposite sex with their chirping sounds or warning competitors; Taste and smell signals, such as lions, tigers and other ferocious large carnivorous mammals use urine and body odor to indicate their field of activity and their "sphere of influence"; Visual signals, such as the dog will erect its ears, tail, and neck hair to indicate its sense of aggression, and when it wants to please its owner and show obedience, it will shake its head and tail at its owner. In addition, there are many signals that we are not familiar with or cannot perceive.
For example, ants leave chemical signals familiar to their companions on the road to lead them to the food they have found, and electric fish use electrical signals to transmit information, which are still difficult for us to understand.
Two days ago, I was watching "Mom is Superman", and Andy, a primary school bully, asked his mother: "Do you know how ants talk to each other?" Huang Shengyi's mother shook her head. Maybe many people don't know much about the dialogue between insects, so let's talk about how insects communicate today, right?
How do ants communicate? Antenna!
Andy told us yesAntenna! 。Ants use their antennae to constantly touch the antennae of their companions to identify their companions and transmit information, and more interestingly, some ants can also use their antennae to tap the abdomen of aphids to make aphids secrete honeydew for their own consumption.
How do bees communicate? Dance!
Another common passactionThe insects that come to convey information are bees. Social insects bees communicate by "dancing", and there are studies that prove that beesDanceThe language can even describe the distance of food down to the meter.
How do cicadas communicate? Tweets
And I think the way insects are most familiar with communication isTweetsFinish. The most common is the chirping of cicadas in summer. In the hot summer, the male cicada makes a chirping sound by vibrating the ear sac and articulatory membrane on both sides of the abdomen like a drum skin, attracting the opposite sex, while the female cicada has no articulator, and the cicadas we hear are all male cicadas!
How do fireflies communicate? Glow
In addition, insects have many different ways of communicating. For example, using chemical reactions, like fireflies that we used to see, is to use luciferase in the body to participate in chemical reactions to emit light, and then flash according to the pattern unique to its kind, so that they can recognize members of the same kind and identify members of the opposite sex.
There are also many moths that use smell to communicate, and it is important to know that insects communicate in a variety of ways!
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The main form of information transmitted by insects is to use their sensitive olfactory organs to identify some information compounds. The way insects use smell to convey information is called "chemical language".Chemical signaling plays a pivotal role in intraspecific and interspecific individual connections in insects, as well as in the selection of food, spawning sites, and mates.
Ants are social insects that are often seen living in burrows. When ants come out of the nest to find food, they always send out "scouts" firstThe first to find food, on the way back to the nest, when encountering members of the same nest, first use the antennae to collide with each other, and then use the antennae to sniff the ground a few times, so that not only through the smell information to convey the size of the food, the direction and location of the food, but also point out the path to the food.
This way of communication of ants is known as the language of information compounds. This language is simply passed from one insect to another.
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Spread the message through frequency. Convenient, fast, and have their own Ford way of spreading, but also used to protect themselves from harm.
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