Which term best describes the mesozoic era?

a.
the age of mammals

b.
the age of single-celled organisms

c.
the age of flowering plants

d. the age of reptiles

This class has taught you that the use of science and medicine in practical ways has become an international endeavor. one of the greatest examples of an international science accomplishment is which allows the profiling of human dna, useful not only to science but also medicine. a) forensic science b) the fbi c) the human genome project d) bioterrorism

Why is it important to study each branch of earth science?

You are observing different types of cells in your science lab. one cell has many chloroplasts. what is the most likely function of this cell? a. energy production b. photosynthesis c. reproduction d. digestion