Which group do these algae species belong to?

These algae species can be devided into 9 groups as below:

Tip:
- To isolate a species, double click on the corresponding legend.
- To hide a species, single click on the corresponding legend.
- Freely rotate with diversed angles to observe more clearly.
- Hover on the point to see the information.

Given the same condition, what species grow faster?

Heatmaps is useful for this visualization.

Inspired by DataViz Battle1