14. Look at the diagram shown here. Which answer choice best describes the process shown? *
stem cell
structural
cell
muscle
cell
neural
cell
signaling
cell
A. mitosis
O
B. evolution
C. cell division
D. cell differentiation

Which of the following would most likely be key to gathering evidence that the rna world hypothesis is valid? creation of suitable environments for long-term study of single-celled organisms simulation of early earth conditions and long-term study of the resulting molecules development of a system for studying the microsphere's ability to absorb additional molecules categorization of the different specific conditions that result in the development of microspheres

The distant ancestors of tigers may have had bodies without stripes. use the theory of natural selection to explain how tigers may have evolved to have stripes.

Which of the following types of stars are dim but can have high surface temperatures? giants main sequence stars supergiants dwarfs