Innate immunity and acquired immunity are both . a. dependent on surface secretions from sebaceous and sweat glands, which give the skin an acidic pH that is unfavorable for bacterial colonization b. characteristics of all vertebrate animals c. based on the trapping of microbes by mucus d. dependent on tears, saliva, and mucous secretions that contain lysozyme, an enzyme that digests bacterial cell walls e. dependent exclusively on cell-mediated responses

Texas bluebonnet plants seen in this photo are an example of which ecological unit?

Which excerpt from the land, part 4 best supports the claim that paul is a talented horseback rider? a/“figure that says more than anything else! now, i want to ride that stallion! " b/my daddy shook his head. "paul only rides horses he knows. ” c/? i glanced over at the other rider. the fellow was older than i, and had the weight of a man on him. d/a man out of alabama, man name of ray sutcliffe, told my daddy i was such a good rider, he wanted me to ride some races for him.

Rachel ate a piece of fruit and happened to drop the seeds in her backyard. after a few weeks, she saw a small plant with flowers growing in the backyard. which group does this plant belong to? a. angiosperms b. gymnosperms c. pteridophytes d. bryophytes e. chytrids