Micro organism, approx 90-100 µm long

Micro organism, approx 90-100 µm long

Observation - Micro organism, approx 90-100 µm long. Description: I spotted this strange micro organism when I was peering down the microscope looking for lichen spores, and I'm wondering if it might have been in the drop of water I placed on the microscope slide? Length was approx 90-100 µm and it was slowly pulsating

I spotted this strange micro organism when I was peering down the microscope looking for lichen spores, and I'm wondering if it might have been in the drop of water I placed on the microscope slide?
Length was approx 90-100 µm and it was slowly pulsating