The Evolutionary Development of Multicellular Organisms – Quiz

1. Multi-cellular sponge-like organisms were likely the living things that were widespread in the beginning of the Cambrian era.

2. Cell specialization into tissues enabled the development of organisms that were larger than unicellular organisms.

3. During the Cambrian era, the "multicellular" organisms were not yet organized into true "tissues".

4. Sexual reproduction first came about before asexual reproduction.

5. The development of sexual reproduction diminished diversity in species.