All living organisms are linked to one another because
1. They have common genetic material of the same type
2. They share common genetic material but to varying degrees
3. All have common cellular organization
4. All of the above

To unlock all the explanations of this course, you need to be enrolled.

To unlock all the explanations of this course, you need to be enrolled.
The number of species that are known and described ranges between:
| 1. | 1.2 and 1.3 million | 2. | 1.4 and 1.5 million |
| 3. | 1.7 and 1.8 million | 4. | 2.1 and 2.2 million |

To unlock all the explanations of this course, you need to be enrolled.

To unlock all the explanations of this course, you need to be enrolled.
Shown below is a Guinness World Records holder - this 250 years old banyan tree with 3616 prop roots is spread across 1.6 Hectares. This tree is located in the:
1. Indian Botanic Garden, Kolkata
2. Forest Research Institute, Dehradun
3. Indian Agricultural Research Institute, New Delhi
4. NBRI, Lucknow