The shorter the generation time, the faster the population growth. This is also related to body size. How important the sex ratio is depends on the organism. One male can mate with numerous females. Canada geese are monogamous.
All individuals start at once.
The number surviving are recorded, the number dying at various time intervals, survivorship, and average mortality per day. A static life table. This is better for long-lived organisms. The data are measured at any one time. Basically the age ranges of organisms alive at that time are considered.