Which are true in following expressions about a food chain?
A: It is a biological concept.
B: It refers to a linear network of links in a food web.
C: It is an economic concept.
D: It is closely related to the daily life of humans.
A: It is a biological concept.
B: It refers to a linear network of links in a food web.
C: It is an economic concept.
D: It is closely related to the daily life of humans.
举一反三
- Which of the following is NOT related to the concept of “仁”? A: righteousness B: true virtue C: kindness D: benevolence
- 中国大学MOOC: ___________________ is a principle of Chinese food culture, by which the nutrition of food is well perceived through traditional medicinal concept.
- How did Jefferson interpret the concept of equality A: He asserted that it was a political concepts as well as a biological and economic concept. B: He believed that men were born with equal rights. C: Equality is a gift of Nature. D: Both B andC.
- A ______ model is used in the concept generation phase to show particular details of the concept.
- The concept of “ ” is closely related with traditional Chinese etiquette.