Which of these describes one of the functions of the nervous system?
O A.
removing waste materials from the body
OB. sensing changes in the external environment
c. transporting nutrients throughout the body
D. providing the cells of the body with energy

Many animals cannot sweat to maintain a stable body temperature. what is one other way animals can cool down?

Which of the following is a way that minerals are used? a. industry construction technology d. all of the above

The sketch shows a rynchosaur, an extinct animal that is known only from fossils. there has been much debate about the classification of these creatures. some scientists suggest that they belong with primitive amphibians, and some think they are related to snakes and lizards. the data equally support both cases. which statement best explains how to draw a cladogram that includes the rynchosaur? draw the cladogram for amphibians. draw the cladogram for reptiles. draw two cladograms, both showing the traits, and leave it as a hypothesis. draw two cladograms, both showing the traits, and have scientists vote