Toxic substances are also classified by how people are exposed to them. By definition, people may be exposed intentionally, accidentally, or deliberately. True or False

How do accessory pigments chlorophyll?

Which of the following is not considered an appendage of the skin? nails glands follicles none of the above

The wings of insects, birds, and bats evolved independently but carry out similar functions. this is an example of a. analogous structures. b. embryonic structures. c. vestigial structures. d. homologous structures.