Answer:
Explanation:
1. The classification and naming of organisms in an ordered system that is intended to indicate natural relationships, especially evolutionary relationships.
2. The science, laws, or principles of classification.
3. An ordered arrangement of groups or categories
Answer:
Bacteria have cytoplasm and ribosomes which are common with the cells of other living organisms.
Explanation:
The answer is A. Uses too much energy.
The key evolutionary development of animals seen for the first time in sponges is that of Multicellularity. A Multicellular organism has a longer lifespan than an unicellular organism and since it has multiple cells, it can perform more functions. Sponges do not have distinct circulatory, respiratory, digestive, and excretory systems – instead the water flow system supports all these functions.
