A farmer has applied a pesticide to control a pest population that is affecting her crops. The pest population has reacted as shown below.

A chart begins with 4 green bugs and 1 brown bug. The brown bug survives and produces brown offspring.
Which best describes the process that the pest population has experienced due to this environmental change?
genetic diversity
natural selection
natural resistance
gene flow

There are fewer than 100 naturally occurring elements in the universe, but there are millions of different unified substances. explain how this can be true.

How do you think earths interior affects what is happening on the surface? 2. how do fossils support the continental drift hypothesis? 3. how does sea- floor spreading support the hypothesis of continental drift? 4.what do scientists observe when they studied the magnetic fields of rocks on the sides of mid-ocean ridges? 5. what is a tectonic plate ? 6. explain mantle convection 7.how can movements of the continents affect earths climate? 8. what occurs during drifting?

How can we use spectral lines of light coming from the superclusters to identify which is receding from earth at the slowest rate.