How knowledge of external anatomy is helpful for animal owners and producers?

9. the history of life on earth is recorded in

Which of the following statements about protists are true? a.they are typically found in moist environments. b.they are all unicellular. c.they have a nucleus. d.they are all multicellular.

The changes that the students observed, rapid breathing and sweating, would be classified as a to a change in a system.