1. It is the building block of life.
2. A group of tissues joined as a unit to perform a function
3. A group of organs joined as a unit to perform a function,
4. A group of specialized cells that perform a similar function.
5. A group of organisms of the same species, living in the same area,
6. The zone of life on planet Earth. The sum of all of the ecosystems on Earth
7. A community of living organisms, and their non-living parts of their environment
8. Any living thing that is composed of different organ systems that function altogether
9. A group of different populations in a particular area interacting with each other.
Answers & Comments
Answer:
1. Cell
2. Organ
3. Organ system
4. Tissues
5. Population
6. Biosphere
7. Ecosystem
8.
9. Ecological community