Atrue food allergy is a reaction of the body's immune system to a food or food ingredient.
a. true
b. false

Hey me with this one❤☺❤ how do you say that a cell also has a life span and death like an organism? give one example.

What are the two causes of density in deep current waters? a. salinity (how much salt) of the water and high temperaturesb. salinity (how much salt) of the water and low temperatures c. oxygen content of the water and high temperatures. d. oxygen content of the water and low temperatures

Which of the following is a true statement? a. individuals evolve to have adaptations. b. individuals have adaptations that can change over time. c. individuals have traits that may or may not make them successful at reproduction. d. populations cant evolve, only individual organisms.