2 Commensalism is a relationship
between organisms in which:
A one organism benefits while the
other organism is unaffected
B both species benefit from the
relationship
C one organism feeds on the
tissues, cells, or fluids of the
other organism
D both organisms harm each other

2. how does the miller-urey experiment fall short of demonstrating that life can arise from inorganic molecules? explain. a. it doesn't show a leap between a collection of amino acids and a single-celled organism. b. it recreates the conditions that existed at the earth's beginning, but no molecules form as a result. c. it doesn't provide evidence of the formation of amino acids. d. it doesn't show how multicellular organisms developed from unicellular organisms

The transport tubes for food coming down the plants are called?

Which is an example of a vestigial structure? a. tail of a monkey b. fin of a fish c. flower of a plant d. tailbone of a human