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.
B
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
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青书学堂: (单选题) Today it has more than 50000 head of cattle and an production of at least 10 million pounds of beef(本题2.0分)
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How much do adult male polar bears weigh? A: about 1000 pounds B: about 680 pounds C: about 550 pounds D: about 350 pounds
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The rental for the car is A: 15 pounds per day. B: 14 pounds per day. C: 40 pounds per day.
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It is_________trouble. It also costs. A: more than B: no less than C: no more than D: less than
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The Conference is____________over. A: more or less B: no less than C: more than D: no more than