In a pyramid, in order to live and grow, 2000 pounds of a tertiary consumer would require
A: less than 2000 pounds of a producer.
B: more than 2000 pounds of a secondary consumer.
C: less than 2000 pounds of a sedondary consumer.
D: no primary consumers.
A: less than 2000 pounds of a producer.
B: more than 2000 pounds of a secondary consumer.
C: less than 2000 pounds of a sedondary consumer.
D: no primary consumers.
举一反三
- It is _________since the Great Wall was built. A: more than 2000 years. B: 2000 years. C: less than 2000 years. D: None of above
- If the man hires the car more than four days, then he may pay the rental A: 34 pounds per day. B: 40 pounds per day. C: 15 pounds per day.
- Which of the following is true for business marketers? A: They deal with more and larger buyers than consumer marketers. B: They deal with more and smaller buyers than consumer marketers. C: They deal with fewer and larger buyers than consumer marketers. D: They deal with fewer and smaller buyers than consumer marketers.
- The view that human brain is the source of human language and cognition goes back ______. A: less than 1000 years B: over 2000 years C: less than 2000 years D: over 3000 years
- The traffic rule says young children under the age of four and ____ less than 40 pounds must be **a child safety seat. A. being weighed B. to weigh C. weighed D. weighing