Because each individual is short-lived, the population of an opportunist species is likely to be adversely affected by drought, bad winters, or floods.
I base this conclusion not on any individual study, but on large-scale and systematic reviews of thousands of studies conducted in every major English-speaking country.
To see hundreds of millions of people rise out of dire poverty and be able to feed their children and have a decent home: that's a good thing and we should encourage it.
"By following individuals over time," Salthouse said, "we gain insight in cognition changes, and may possibly discover ways to slow the rate of decline."
Guyu's Meditation is not only the author's individual experience and cultural realization but also the historical experience and philosophical self-consciousness of contemporary China.
If two flying insect populations took up residence in separate nearby valleys, chances are that individuals from each population would fly back and forth, continuing gene flow.
The students of Southside School were asked to give their opinions about whether the school should run an athletic program or start a vegetable garden.
Because aggressive individuals are more likely to survive and reproduce, whatever genes are linked to aggressive behavior are more likely to be transmitted to subsequent generations.
According to this definition, one species is distinguished from another by the possibility of matings between individuals from each species to produce fertile offspring.
He found that strongty-lateralised individuals were able to feed twice as fast as wealdy-lateralised ones when there was a threat of a predator looming above them.