2. Electrical information: Fish skin has strong conductivity, and the sensitivity of sensors inside the tissue is also high. The positioning of fish schools in the process of migration is accomplished by the interaction between the biological electric field of fish schools and the earth's magnetic field. There are many biological power generation phenomena in nature, so many organisms can use electrical information to move in the ecosystem.
3. Magnetic information: The long-distance migration of migratory birds and the book dissemination of homing pigeons all depend on the interaction between electromagnetic field and the earth's magnetic field, thus determining the direction and orientation. The earth is a big magnetic field. The creatures living in it are bound to be influenced by magnetism.
Extended data:
Animal information transmission:
When an animal's posture and voice are considered to be mainly communicated with other individuals of the same species, it is called animal information transmission. The light of fireflies plays a role in telling the opposite sex that they exist. This is a kind of information transmission.
The types of information transmission are closely related to the sensory function of various animal species. Many mammals often use the smell of body surface secretions, urine and feces as signals to delimit their territory.
Sound is the main means for birds, mammals and other higher animals to transmit information. Songbirds declare their territory by singing. It is said that howler monkeys can make 15-20 different songs, while chimpanzees can make more than 30 different songs.