The epidermis of the skin is formed by multiple layers of flattened, irregularly shaped cells. the most superficial of these layers is filled with keratin. this type of epithelial tissue is classified as

If bacteria are much too small to see, what is one reason why can we see colonies in the petri dishes that have plenty of food to eat after only a few days?

The hematodinium parasite becomes less of a problem for the blue crab when the crab is very young. fishing is thriving in the region. the crab moves to less salty water. a significant percentage of the population is impacted.

Consider this microscopic image of bacteria, which bacterial form is shown in the image?