The energy available to producers in an energy pyramid is 200 kilocalories. Approximately how much energy is used by the producers to make food, grow, and reproduce? 20 kilocalories
200 kilocalories
180 kilocalories
120 kilocalories

Which statement describes the relationship between parenting choices and their effects on children? a) neglected children will show more empathy. b) encouraged children will show more curiosity. c) children with very permissive parents will be violent. d) children with resilient parents will work well with others.

David, an aspiring baseball player, was struck on the left side of his face with a fastball pitch. he was not wearing a safety helmet. his zygomatic arch was crushed, as well as parts of the temporal bone. following the accident and reconstructive surgery, he noted that his left lower eyelid was still drooping and the corner of his mouth sagged. what nerve damage did he sustain?

True or false. mucous membranes secrete mucus that traps pathogens.