1. Introduction to Biology

A tidal wave wipes out the entire population of mice living on an island. This is an example of:

Which evolutionary process best explains the presence of 14 different species of finches on the Galápagos Islands?

Which of the following organisms has a greater biotic potential?

In what situation might natural selection maintain a recessive allele even if it is harmful?

Natural selection is best described as:

The likelihood that an individual will contribute fertile offspring to the next generation is called:

Which of the following best explains how a deer mouse is well adapted for life in the forest?

The separation of populations by barriers such as rivers, mountains, or bodies of water is called:

Which of the following statements about secondary succession is true?

Both primary and secondary succession begin with pioneer species that:

Which of the following factors is fundamentally responsible for the occurrence of seasons on Earth?

Which of the following is an example of adaptation in the context of natural selection and evolution?

Competition is central to the theory of natural selection. Why does competition occur among organisms in a population?

Common descent suggests that all species, living and extinct, are:

Which of the following is a way that natural selection could affect humans?