Environmental change that triggers a definite action on the part of the organism serves as a(n)
stimulus
response
effector

Individuals do not compete directly for resources, but are prey for the same predator

Many organizations release indexes used to measure the development of the world's countries. as we learned in this lesson, these indexes measure many factors, from life expectancy to happiness. in your opinion, what are the three most important factors we can use to determine how developed a country might be? explain your answers in a few sentences.

Plz ! what does it mean for an allele to be dominant?