Use the drop-down menus to determine which structures of the exocrine system are described below. secrete mucus that protect organs secretes enzymes that aid in digestion secrete tears keep the skin hydrated and soft

Amale bird-of-paradise uses a dance to attract mates in which it flaps its tail feathers on the ground and jumps around a potential female mate. a different male bird-of-paradise does a similar dance but it jumps around the female in the opposite direction. the female bird is only attracted to one style of dance, in one direction.

During binary fission, what events must occur before the cell splits into two new cells?

What are antigens and antibodies? how are they involved in the body’s response to incompatible blood?