Vocabulary
Characteristics of Life
Necessities of Life
Chemistry
Molecules

100
Anything that affects the activity of an organism, organ, or tissue.
What is a stimulus?
100
All organisms are made of one or more of these.
What is a cell?
100
Organisms that make their own food.
What is a producer?
100
These are made of smaller units called amino acids.
What is protein?
100
Major molecule that forms the membranes of cells.
What is a lipid?(or a phospholipid)
200
The maintenance of a stable internal environmental.
What is homeostasis?
200
Organisms detect and respond to ___________ in their environment.
What is a stimulus? (or stimuli)
200
Organisms that obtain energy from eating other organisms.
What is a consumer?
200
The protein in red blood that attaches to oxygen.
What is hemoglobin?
200
Name a lipid that stores energy.
What is fat (or oil)?
300
Reproduction in which two parents are required.
What is sexual reproduction?
300
The passing on of traits from parents to offspring.
What is heredity?
300
Organisms that get food by breaking down nutrients from dead organisms or animal waste.
What is a decomposer?
300
A group of compounds made of sugars.
What is a carbohydrate?
300
The head of this molecule is attracted to water, the tail is not.
What is a phospholipid?
400
The hereditary material that controls the cell's activities and provides instructions for making proteins.
What is DNA?
400
Organisms grow and ____________ during their lifetime.
What is changing?
400
Your body is made up of 70% of this.
What is water?
400
A sugar molecule consisting of one sugar molecule or only a few sugar molecules.
What is a simple carbohydrate?
400
What the subunits of nucleic acids are called.
What is a nucleotide?
500
The combined chemical processes that occur in a cell or organism.
What is metabolism?
500
The process in which organisms make more organisms like themselves.
What is reproduction?
500
The process that converts energy in sunlight to energy stored in food.
What is photosynthesis?
500
A complex carbohydrate plants make.
What is starch?
500
The molecule that provides most of the energy for a cell.
What is ATP? (adenosine triphosphate)
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