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प्रश्न
Give one example for the following type.
Chemical defense agent
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उत्तर
Chemical defense agent - Cardiac glycosides produced by calotropis
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संबंधित प्रश्न
What is the ecological principle behind the biological control method of managing with pest insects?
Define the Stenothermal organisms.
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Community is defined as ______.
What is Mortality? What are its two types?
Competition between species leads to ________.
Match the following and choose the correct combination from the options given below.
| Column I | Column II |
| Mutualism | Lion and deer |
| Commensalism | Round worm and man |
| Parasitism | Birds compete with squirrels for nuts |
| Competition | Sea anemone on hermit crab |
| Predation | Barnacles attached to Whales |
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The presence or interference of one species leads to reduction in feeding efficiency of other species is termed as
Fill in the blanks
| Species A | Species B | Type of Interaction | Example |
| + | - | ______ | ______ |
| + | + | ______ | ______ |
| + | 0 | Commensalism | ______ |
Observe the set of 4 figures A, B, C and D and, answer the following questions
- Which one of the figures shows mutualism?
- What kind of association is shown in D?
- Name the organisms and the association in C.
- What role is the insect performing in B?
 Fig. (A) |
 Fig. (B) |
 Fig. (C) |
 Fig. (D) |
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| 1. | ? | Plasmodium and Man |
| 2. | ? | Leopard and Lion |
| 3. | ? | Clownfish and Sea-anemone |
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