A synonym for life?

Various activities carried out by human beings or creatures for survival and development: politics. Everyday ~. Watch bees and ants.

2. Production

Give birth to new things from existing things; Appear: if the relationship between colleagues is not handled well, there will be contradictions. In the long history of the Chinese nation, there have been many epic heroes.

3. parasitism [jē sh ē ng]?

One organism lives in the body or surface of another organism, from which it obtains nutrition and sustains life. For example, roundworms, pinworms, fleas, lice and dodders in plants all live in a parasitic way.

4. Born [lǐn shēng]?

One of the names of students in the imperial examination era. In the Ming Dynasty, officials, state and county students were supported by the government and subsidized their lives, which was called "supporting students". In the Qing dynasty, only those who had passed the examination twice a year and achieved excellent results could be called students.

5. Chinese zodiac?

Twelve kinds of animals, representing the twelve branches of the earth, are used to record people's birth years, namely rats, cows, tigers, rabbits, dragons, snakes, horses, sheep, monkeys, chickens, dogs and pigs. For example, people born the year after next are rats, and people born in ugly years are cows. Also known as the zodiac.

6. viviparous?

Attribute words. The larvae of human beings or some animals do not leave the mother until they develop to a certain stage. This method of reproduction is called viviparous. Embryo development of viviparous animals depends on maternal nutrition.

7. Life?

Physiological processes of organisms composed of nucleic acids and protein. Metabolism and self-replication are the most basic life phenomena. With the evolution of living things, life phenomena become more and more complicated, mainly including pressure and brilliance. Length, development, heredity, variation, movement, adjustment, etc.

8. Pig iron?

Iron made of iron ore. The carbon content is above 2%, and it contains impurities such as phosphorus, sulfur and silicon. Crispy. According to the use, it can be divided into casting pig iron (cast iron), steelmaking pig iron and alloy pig iron.

9.* * * Born [gê ng sh ē ng]?

Two different creatures live together and depend on each other, which is beneficial to each other. This way of life is called * * *. For example, flagellates in termites' intestines help termites digest wood fibers, and termites provide nutrients for flagellates. If separated, neither can live independently.