Which was the characteristic of life after the oxygen revolution?

a. fewer anaerobic species
b. fewer aerobic species
c. fewer eukaryotes

Ectocarpene is a volatile, sperm cell-attracting material released by the eggs of the seaweed ectocarpus siliculosus. its constitution is all the double bonds are cis, and the absolute configuration of the chirality center is s. draw a stereochemically accurate representation of ectocarpene.

Drag the tiles to the correct boxes to complete the pairs. match each cell organelle with its description.

The open ocean of any depth is called the