Which statement describes the relationship between the photosynthetic cells and the heterocysts in this photograph?

Photosynthetic cells

Heterocyst

20 µm

(1 point)

The heterocysts are a prokaryotic pathogen of the photosynthetic prokaryotes.

The heterocysts are eukaryotes that are consuming energy from the photosynthetic prokaryotes

The heterocysts and photosynthetic cells are exchanging genetic Information through conjugation.

The heterocysts and photosynthetic cells are exhibiting metabolic cooperation for nitrogen and energy.

The heterocysts and photosynthetic cells are exhibiting metabolic cooperation for nitrogen and energy.