| 1. | An ecosystem as a large machine with each species as a gear |
| 2. | An airplane held together by rivets, where each rivet represents a species |
| 3. | A forest with each tree representing a different ecosystem function |
| 4. | A river where each drop of water symbolizes a different species |
| 1. | Is most abundant |
| 2. | Is the top carnivore only |
| 3. | Is rare but has large impact on community structure |
| 4. | Has highest reproductive rate |
| 1. | recently extinct species |
| 2. | species adapted to highly arid regions |
| 3. | examples of invasive species |
| 4. | capable of thriving in arctic and antarctic permafrost |
The largely tropical Amazonian rain forest in South America
1. Produce 20% of the total in the earth's atmosphere
2. Has 3000 species of birds
3. Has 378 species of fishes
4. Is home to 4000 species of plants
| 1. | High variation in productivity from year to year |
| 2. | Susceptibility to invasions by alien species |
| 3. | Inability to recover from environmental changes |
| 4. | Resistance or resilience to occasional disturbances |
What do you mean by bioprospecting?
1. Biological analysis of living things to classify them
2. Exploring molecular, genetic and species-level diversity for products of economic importance
3. Exploring forests to identify diversity present there
4. It is branch of biology which deals with prospect of conservation
Read the following statement carefully.
'Amazon forest is estimated to produce, through photosynthesis, 20 percent of the total oxygen in the earth's atmosphere'.
This is _______ aspect for conserving biodiversity
1. Narrowly utilitarian
2. Broadly utilitarian
3. Economic aspect
4. Ethical