Characteristics of life
Organization of cells
Reproduction
Grab Bag
Natural Selection
100
A physical or chemical change in an organism's external or internal environment
What is a stimulus?
100
Compounds that provide physical structure in organisms.
What are biological molecules.
100
The process in which all organisms produce new organisms like themselves.
What is reproduction?
100
Branch of biology that studies organisms interacting with each other and their environment.
What is ecology?
100
Traits that improve an individual's ability to survive and reproduce.
What are adaptations?
200
Maintaining a stable internal environment.
What is homeostasis?
200
High degree of order between an organism's internal and external parts.
What is organization?
200
Large molecule containing the hereditary code for an organism.
What is DNA?
200
Communities of organisms and their physical environment.
What is an ecosystem?
200
Organisms with favorable traits survive and reproduce to pass on their genes.
What is natural selection?
300
Total of all the chemical reactions in an organism.
What is metabolism?
300
Smallest unit that can perform all life's processes.
What is a cell?
300
Hereditary information form two individuals is combined in their offspring.
What is sexual reproduction?
300
Organized approach used in science to explain observations of the natural world.
What is the scientific method?
300
Helps us understand how populations of organisms came into existence adn how they've changed over time.
What is evolution?
400
Process where organisms become mature adults.
What is development?
400
Structures that carry out specialized jobs within an organ system.
What is an organ?
400
A short segment of DNA that codes for a protein or polypeptide.
What is a gene?
400
A group in an experiment that is used for comparison.
What is the control?
400
Rabbits with white fur and short ears in snow would be an example.
What are adaptations?
500
Two "E's" required by all organisms.
What are energy and enzymes?
500
Group of cells that have similar abilities and that allow an organ to function.
What are tissues?
500
Single organism divides producing genetically identical cells.
What is asexual reproduction?
500
Metric unit most likely to be used to measure the size of a cell.
What is a micrometer?
500
Also known as "descent with modification".
What is Darwin's idea of evolution?
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