| 271. | Population growth is checked by |
| a. | competition |
| b. | no competition |
| c. | no polymorphism |
| d. | polymorphism |
| View Answer Report Discuss 50-50! |
|
Answer: (a).competition
|
| 272. | Two species can avoid competition, and better use the environment's resources by occupying different |
| a. | adaptations |
| b. | polymorphism |
| c. | nitches |
| d. | specialization |
| View Answer Report Discuss 50-50! |
|
Answer: (c).nitches
|
| 273. | Adaptation is caused by |
| a. | Darwin's natural selection |
| b. | Lamarck's ideas |
| c. | Hardy |
| d. | Weinberg |
| View Answer Report Discuss 50-50! |
|
Answer: (a).Darwin's natural selection
|
| 274. | The genetic change in a population caused by natural selection is called |
| a. | polymorphism |
| b. | adaptation |
| c. | specialization |
| d. | gene linkage |
| View Answer Report Discuss 50-50! |
|
Answer: (b).adaptation
|
| 275. | Adaptation of traits to better fill a niche is called |
| a. | polymorphism |
| b. | gene linkage |
| c. | specialization |
| d. | replication |
| View Answer Report Discuss 50-50! |
|
Answer: (c).specialization
|