Two bighorn sheep ram heads for dominance. is example of a)Intrasp.-Comp
b)Intersp.-Comp
c)Commensalism
d)Amensalism
e)Parasitism
f)Predator-prey
g)Herbívoros

Common commercial benefits of microorganisms include synthesis ofa. insulin. b. antibiotics. c. aspirin. d. antibiotics and aspirin. e. antibiotics and insulin.

Which best describes the digestive system of arthropods? a incomplete, two openings b complete, one opening c two-way, one opening d one-way, two openings

Which is an important function of normal flora? a. aid with bone marrow production. b. crowd out pathogenic bacteria. c. destroy digestive track pathogens. d. manufacture iron in the bloodstream.