Which of the following best demonstrates a community? a desert with high heat and low rainfall
a pond filled with fish, turtles, algae and weeds
all of the abitoic and biotic factors found in a tropical rain forest
All of the penguins living in an area

Common commercial benefits of microorganisms include synthesis ofa. insulin.b. antibiotics.c. aspirin.d. antibiotics and aspirin.e. antibiotics and insulin.

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

Diffusion and osmosis are forms of passive transport