Which of the following is an example of an open system?
a) an aquarium with both plants and animals
b) an enzyme found in deep ocean organisms that allows them to glow
c) a living single-celled organism such as phytoplankton
d) a river that has been dammed

What is a gene ? a) a section of a protein that codes for dna. b) the alternate version of a trait. c) the visible trait in the f1 generation. d) a section of dna that codes for a specific trait .

Witch theory suggests all living things are made up of cell or cells

What is the best conclusion based on this data? the hypothesis was not supported because the data indicated that fertilizing plants does not improve plant growth. the hypothesis was supported; to get the best growth, use 5 milliliters of fertilizer per plant. the hypothesis was not supported; the data indicated that too much fertilizer can inhibit plant growth. the hypothesis was supported; to get the best growth, use 15 milliliters of fertilizer per plant.