Which of these is true of cells?
a. they are much like empty rooms.
b. they were first discovered in the 1700s.
c. they cannot be found in pond water.
d. they contain a huge array of working parts.

The earth consists of a variety of different organisms. despite their diversity, however, some similarities on the structural and metabolic levels may be seen. these similarities can be attributed to a. similarities among organisms in their proteins and nucleic acids. b. the ability of organisms to readily adapt to sudden environmental changes. c. similarities in organisms' habitats and niches. d. the ability of all organisms to interbreed and produce new species.

What is the farthest destination to date for a human spaceflight mission?

The (blank) states that all loving things are made of cells.