The correct answer is option B
Self sustaining ecosystem or vivarium is the system is a closed system which is used for research purpose. A self sustainable system is a system in which biotic factors as well as abiotic factors both are present.
An area with water, soil, fertilizer and plant and some insects were kept in a clear glass aquarium which will receive some sunlight for the process of photosynthesis and some shade for dark reactions.
The insect present in the ecosystem will provide carbondioxide to plants and the plants will provide oxygen to the insect.
The answer is D.gene pool
Though the members of the animal kingdom are very diverse, all of them are eukaryotic, multicellular organisms, and almost all animals have a complex tissue structure with differentiated and specialized tissues.
A computer to a moteter for literal use
For a diagram you could use a ball of somesort
Mitosis is responsible for growth, repair and maintenance of an organism because it produces all the daughter cells that are genetically identical to one other and therefore creates new available cells that are specific to each tissue for growth and repair.
Hope this helps! Please correct me if I'm wrong!
