APES2017Final ReviewB

___________are representations of objects or systems.

A change in the genetic characteristics of a population from one generation to the next 

The ______________ makes up 64% of the mass of the Earth.

Fossil fuels became an important energy source during the___________.

A(n)______ is all of the organisms living in an area together with their physical environment.

Single celled organisms that usually have cell walls and reproduce by dividing in half.  

Using the law of supply and demand, when _______ goes down, ________ goes up.

_____________is the collection and classification of data that are in the form of numbers.

Shows the productive area of Earth needed to support one person in a particular country.

Nitrogen makes up ____ percent of the Earth’s atmosphere.

______ refers to the number and variety of species that live in an area.

A(n) _______________ is the relative arrangement of the members of a statistical population.

The part of the Earth that consists of all rock, and the soils and sediments on the surface

The chances that something will happen is called _________________.

is the ability of one or more organisms to tolerate a particular chemical designed to kill it.

A(n) _______________ is a linear dependence between two variables.

The gases that trap and radiate heat are called ____________________________ gases.  

Electrically charged atoms are called ____________.

an undesired change in air, water, or soil that adversely affects humans or other organisms.

 _____________________ is the transfer of heat by air currents.

Principles or standards that are used to make decisions are called ____________________.

_______ nations tend to have very high population growth rates, and low child survival rates.

The atmosphere _____ Earth’s surface, slowing the rate at which the Earth’s surface loses heat.

A ____________ is a group of similar things that a scientist is interested in learning about.  

The __________ is the only difference between the control group and the experimental group.

The group that receives the experimental treatment is called the _____________ group.

A(n)______is a procedure designed to test a hypothesis under controlled conditions.

The atmospheric layer nearest to Earth’s surface is the _______________.

The layers of the Earth, in order from closest to the surface to furthest from the surface:

Living and once living parts of an ecosystem, including all of the plants and animals.

An important effect of the agricultural revolution was:

Life on Earth is restricted to a very narrow layer around the Earth’s surface called the ____.

The study of how living things interact with each other and with their nonliving environment.

A(n) _________ is a piece of information we gather using our senses.