What are the four cell types in trichoplax adhaerens? explain their locations within the animal.

Witch type of microscope is used to view very small cell components like proteins and dna?

What must be true for natural selection to heppen

As the pea seeds respire, the level of coloured liquid in the left hand part of the capillary tube rises. by referring to what is happening in the apparatus, explain why the level of liquid changes