Sentence examples for declining reproduction from inspiring English sources

It seems that the frequency of aneuploidy increases significantly with declining reproduction, which places increased maternal age within the potential risk factors of developing embryo suffering from aneuploidy.

However, several alternatives can explain the declining reproduction number, as discussed below.

Senescence in Aplysia is characterized by declining weight, reproduction (egg laying), reflex response and finally death in 11 13 months [ 32].

When expected lifespan declines, future reproduction is traded off in favor of current reproduction.

Their reproductive careers can also span many decades [ 61], with reproduction declining more steeply from age 50, but mothers continuing to give birth into their 60's [ 50].

What is not known, however, is how fast the population is declining and how fast reproduction is replacing crabs.

Reproduction is declining, there are fewer babies and indeed, that will mean fewer resources consumed by those of us who consume the most.

In chimpanzees, for example, the dominant's share of reproduction declined with increasing overlap of female estrous periods, indicating that the alpha male had limited control over reproduction (Boesch et al. 2006).

This was also associated with a decline in estrogen as well as a decline in reproduction (Drevnick and Sandheinrich 2003).

Sun (2008) states that in the late 1990s China began the process of finalizing the class structure, a process marked by four characteristics: the class boundary begins to form, including both tangible and intangible boundaries of living and culture; internal identity begins to form; interclass mobility begins to decline; and the reproduction of classes increases.

Before childbearing begins to decline, the net reproduction rate increases due to reduced infant and child mortality.