What are antibodies physical barriers non specfic defense mechanisms spacific defense mechanisms

Adoctor is trying to diagnose a patient with dry skin. which of the following resources would be the most ? a magazine ad about soft skin a growth chart online articles about dry skin medical books

Which ideas did your answer contain? check all that apply. no food for organisms no oxygen in the atmosphere no trees or flowering plants no products based on trees or plants (building materials, medicines, fuels, fibers) no fossil fuels

Which worm has eyespots that are used to detect light? a fluke b marine worm c planarian d tapeworm