3. Environment
The simplest definition of an ecosystem is that it is a community or group of living organisms that live in and interact with each other in a specific environment.
The answer for the above question is Mutation.
Mutations are random spontaneous changes that occur suddenly in the DNA. A single mutation can have a large effect, however in may cases evolutionary changes are based on the accumulation of many mutations. The gene flow is any movement of genes from one generation to another and is an important source of mutation
Look at the clutch size. There seems to be no patterns between the amount of clutch size and the survival rate because if you have a low survival rate, you can have either a high or low clutch size based on the info that is given<span />
