sand mites
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1. What discoveries/events led people to believe that organisms that are too small to be seen actually exist? What convinced people that these "invisible organisms" can cause disease? (This is about cyanobacteria)
2. The resolution of the human eye is 0.15 mm (150 ΓΒΌm), and this is due to the distance between the light receptors (rods and cones) in our eyes. If two 0.5-mm mites were sitting 0.3 mm apart on a leaf, could we detect them as two separate mites? What if they were sitting 0.1 mm apart?
3. Why are stains used frequently in bright-field microscopy but not in electron microscopy?
what are sand fleas
How did evolution ever lead ostriches to hide their head in the sand when an enemy approaches? Also please follow my profile.