B wouldnt help them catch prey because it doesnt increase mobility speed or concealment.
When a ball goes up in the air when it pauses to come back down that is the potential energy.
Answer: B. They are a first line of defense that can begin killing pathogens immediately.
Explanation:
B-lymphocytes are not the first line of defense. On the contrary, innate immune cells such as basophils, dendritic cells, eosinophils, Langerhans cells, mast cells are the body's first line of defence.
Sarah should found a Gills when she observes closely and dissecting the organism. A gills is what species in the water use for breathing, when people or human have lungs to breathe, fish or underwater species use gills to breathe in water. It is a respiratory organs of animals especially fish.
