Diagrams A-D show the sequence of changes in a pond. 1. Look at each stage of ecological succession. Describe your observations for each stage.

a)

b)

c)

d)

2. Based on your observations, what is the sequence of steps in the illustrated ecological sequence?

3. Predict what will happen to the pond.

Therefore, by coding for proteins, genes determine two important facets of biological structure and function. However, genes cannot dictate the structure of an organism by themselves. ... Thus, through genes, an organism builds the orderly process that we call life out of disorderly environmental materials.