| I. A lion eating a deer and a sparrow feeding an grain are ecologically similar in being consumers. |
| II. Predator star fish Pisaster helps in maintaining species diversity of some invertebratess. |
| III. Predators ultimately lead to the extinction of prey species. |
| IV. Production of chemicals such as nicotine, strychnine by the plants are metabolic disorders. |
A) Hand III
B) III and IV
C) I and IV
D) I and II
Correct Answer: D
Solution :
Statement (I) and (II) are correct Predator and prey evolve together and if it does not get its food or prey it may die. So, predator cannot lead to the extinction of prey species. Products like nicotine, strychnine are the metabolic by products or wastes of plans not the metabolic disorders of plants.
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