You can see eggs forming in this one.
Tardigrades possess 2-4 claws on their feet.
They eat using a bucal aparartus. An arrow like shape at the front of the head, holds two knife like stylets.
Behind the stylets is a circle. This is the pharyngeal bulb that works similar to a pipet.

 
 
Tardigrade Eggs

Tardigrades lay their eggs in their shed cuticles.

 


Rotifers bring food to their mouths by flapping cillia. This movement creates a whirling vortex.
Rotifers can be found moving like an inchworm. Or holding onto a substrate with it's two 'toes'.
Copepods are crustaceans.
The red dot in the middle of the head is a single compound eye.
Ceratopsis richardii gametophyte
Nematode
Diatoms
Volvox

 
 
Macroscopic Invertebrates