Exam 1: Understanding Earth: A Dynamic and Evolving Planet

The central thesis of the theory of organic evolution is that there has always been the same diversity of species on Earth in the past as today.

What does geology have to do with the standard of living that societies have?

Earth's six principal subsystems are ____________________,____________________,____________________,____________________,____________________,and ____________________.

Describe how temperature increases will occur in all global warming scenarios.

The zone between the core and the crust is the:

What is the scientific method?

What is the basic tenet of the theory of organic evolution? What is the mechanism for organic evolution called,and how does it work?

Planetesimals are ____________________.

What are the characteristics of the Jovian planets?

A hypothesis is

Anthropology is the study of human beings.Therefore,the name of the system that refers to humans on Earth is the ____________________.

Briefly explain the importance of the geologic time scale.

Pluto is the planet with the most ellipitcal orbit.

Overpopulation will affect many Earth systems,but there is enough fresh water for many billions of people.

Describe how the universe,galaxies,stars,and chemical elements formed.

What are some of the consequences of global warming predicted to be?

How is a theory formulated?

A theory - such as the theory of plate tectonics or the theory of evolution - is not accepted by a large number of scientists.

Scientists have proven that there is no supernatural or spiritual realm.

What is one way in which geologic knowledge is used to help humans?