Each lung consists of millions of tiny air sacs called___. Each air sac is surrounded by a tiny blood vessel called a___.

Giraffes, camels, and horses share some traits, although they vary in other traits. Which statement accurately describes the evolution of these species?

What happens to chemical bonds during chemical reactions?

Produces chyme a. large intestine b. jejunum c. duodenum d. stomach e. ileum

What do you think happened to make the moon look the way it does

Unscramble! Unscramble each group of letters to spell an important term ... toradrep A living thing that hunts and eats other animals rumcosne An organism that cannot make its own food

Which sentence best captures a central idea of the biography

Is a fossil still a fossil if it is preserved artificially? For example, (Is a mummy a fossil even though it was preserved by people?)

Which type of macromolecule is the quickest source of energy for the body

Which two structures contain DNA

When reproduction is achieved through meiosis and subsequent fertilization it is called?