Forces of Evolution

What do we call ALL of the genetic information found in a population?

Cómo llamamos a toda la información genética que se encuentra en una población.

Mutations are a change in what?

¿Las mutaciones son un cambio en qué?

This is the process that ultimately creates new variations and changes in DNA; leads to the creation of new alleles

Este es el proceso que finalmente crea nuevas variaciones y cambios en el ADN; conduce a la creación de nuevos alelos

What is gene flow?

¿Qué es el flujo de genes?

Genetic drift is driven by chance, not natural selection

La deriva genética es impulsada por el azar, no por la selección natural

If a trait HELPS an organism survive, what may happen to it?

Si una caracteristica AYUDA a un organismo a sobrevivir, que puede sucederle?

The _________________ _________________ occurs when there is a reduction in population due to natural disasters, over hunting or disease.

El/La _______________ ____________ ocurre cuando la poblacion reduce debido a desastres naturales, caza o enfermedad.

What does the image represent?

A virus killed most of the seals in the North Sea (e.g. the population dropped from 8000 to 800).  In an effort to help preserve the species, scientists caught 20 of the remaining seals and used them to start a new population in the northwest Pacific Ocean.  Which of the following statements would accurately describe the new   population?