PHP â Sort Functions For Arrays. In this chapter, we will go through the following PHP array sort functions: sort() â sort arrays in ascending order. rsort() â sort arrays in descending order. asort() â sort associative arrays in ascending order, according to the value.
Environmental factors that can affect gene expression. Exposing a fetus, infant, or child to a chemical or nutritional (or other) stressor during development can affect the risk of disease development even into adulthood. The mechanisms involved are probably epigenetics (Boekelheide et al. 2012).
Lesson Plans: Abiotic Environment. Abiotic Environment Lesson Plans. Water, rocks, wind, sun, temperature and humidity are all examples of nonliving components in ecosystems that can interact with each other and also affect living organisms. How do human activities influence the abiotic environment in urban ecosystems? For example, urbanization has led to decreased agricultural development and increased water control via dams, reservoirs, and canals. The following activities will help you and your students explore abiotic factors that shape your environment.