Answer:
- G. Tissues
- K. Organ System
- H. Organism
- B. Cells
- J. Community
- E. Population
- I. Ecosystem
- F. Biosphere
- A. Organ
- C. Circulatory System
- D. Digestive System
- E. Population
Explanation:
Tissues are made up of cells.
The system of tissues are organ system.
Organism are also called individual.
The basic unit of life is cells.
Community are consists of different species within an area.
Population are also called multiple organisms of the same species.
Ecosystem are made up of communities with plants and animals.
All ecosystems on earth added together is also called biosphere.
Heart, liver, brain and pancreas are examples of organs.
Circulatory system are consists of the heart and blood vessels.
Digestive system includes the intestines, stomach, saliva.
All pigs in the pig pen is an example of population.