This incredible protozoan lives in pond water. It has a fringe of cilia surrounding its "mouth" which causes a stream of water to enter bringing its food - even smaller creatures. Go to https://wilsonevescience.blogspot.com/ to see a video of a vorticella feeding.
KS3 Unicellular organisms resources - Exciting microscope work.
Photo is from wiki commons - Author: Nbnidhi When teaching about unicellular organisms, get some pond water and look for microscopic creatures. More at the weblink below.
The answer to last week's #MysteryAnatomy structure was #Pseudostratified_Ciliated_Columnar_Epithelium (PCCE). PCCE is composed of several types of #cells with varying shapes and functions. Because the distance between nuclei vary, this tissue appears stratified (hence its name "pseudostratified"). [PCCE is not truly stratified as each cell is attached to the basement membrane.] PCCE possesses #cilia and can be found lining the #nasal_cavity, #trachea, primary #bronchi, and parts of the male…