Discuss why ediacaran organisms do not represent present day animal groups

The symptoms that shelly is experiencing result from the interactions between streptococcus pyogenes (a prokaryote) and the cells (eukaryotes) within shelley's body. although there are similarities between these two types of cells, there are also important differences.

Which direction does the energy flow in this energy pyramid ?

Drag each label to the correct location on the chart. match the function to the type of tissue