Epithelial cells in the dermis of the skin create a water-tight seal between the outside world and the body. These epithelial cells are able to create this protective barrier with the help of linking the cells together.

Cedric has a low fever and minor aches. yesterday, he went to the doctor for his booster shot and receive the flu shot. which best explains why he has this reaction?

Ture or false evidence for evolution includes millions of fossils

In a cladogram, what occurs at a node? a derived trait appears. evolution is stopped. an ancestor dies. the cladogram ends. aa as s as ss what are the chances that their offspring will have sickle cell anemia? 0% 25% 50% 100%