Scientists have discovered that the oklahoma salamander, eurycea tyerensis develops into its adult form in streams where the streambeds are made of fine, tightly packed gravel. salamanders living in streams with streambeds made of large, loosely packed gravel remain immature. this situation is an example of

This situation is an example of "development influenced by the environment".

All parts of human improvement are joined and are impacted by environment. Home, people group, physical and school situations impact the way people carry on, think, connect with each other, develop, and process feelings. Sustaining situations add to positive wellbeing results and less formative difficulties. At the point when conditions like neediness is considered in, plainly its effect on condition represents a risk to people's development and advancement. It's proposed that a nurturing environment can help advance solid development and improvement.