What is an environmental change that causes an organism to respond?
What is formed when decayed plant material mixes with weathered rock particles?
The average temperature, average amount of rainfall or snowfall, and average amount of sunlight for many years would determine an area's
The activity that allowssome organisms to avoid harsh environmental conditions is
When two objects are rubbed together, mechanical energy is transformed to heat energy as a result of
What human structure is moved by involuntary muscles?
A dominant gene always shows itself over a
Viruses can only reproduce
Animals that live part of their life in water, and part of life on land are
Insulin is the hormone that controls
The closest planet to the sun is
Nitrogen and Oxygen are the main gases in the Earth's
The process that forms clouds is
The first human made satelite that was launched into space was
Rocks that are formed from lava are
The smallest part of an element that can be identified is
Organic compounds always contain the element
A certain mineral reacts with acid to form bubbles. This reaction indicates something about the mineral's
In which state of matter will molecules move most freely?
A newton is a unit of
The main goal of Science is to
The part of the human eye in which the image is formed is
Organisms no longer living are considered to be
Everything that surrounds a living thing makes up its
Waves produced by an earthquake are called?
