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Characteristics of Life
Branches of Biology
Levels of Organization
Cells I
Cells II
100
Surrounded by a membrane; it is the basic unit of all living organisms
What is a cell?
100
The study of plants
What is botany?
100
An individual of a species
What is an organism?
100
The center of the cell that contains the cell's genetic material
What is the nucleus?
100
The relatively inflexible layer found outside the cell membrane
What is the cell wall?
200
Any environmental condition that causes an organism to adjust to a new condition
What is a stimulus?
200
The study of animals
What is zoology?
200
A group of individuals of the same species living in the same area
What is a population?
200
The flexible boundary between the cell and its external environment
What is the cell or plasma membrane?
200
Known as the "powerhouses of the cell," these convert food into energy for cells to use
What is mitochondria?
300
A reaction to an environmental condition
What is a response?
300
The study of ancient life and fossils
What is paleontology?
300
Different groups of species living in the same area
What is a community?
300
The jellylike material in which cell structures are embedded
What is the cytoplasm?
300
The diffusion of water across a selectively permeable membrane
What is osmosis?
400
A change over time in a group of organisms
What is evolution?
400
The study of interactions between organisms and the environment
What is ecology?
400
All the living species in an area interacting with the nonliving environment
What is an ecosystem?
400
The organielle that is the location of photosynthesis
What is a chloroplast?
400
A small structure where proteins are assembled
What is a ribosome?
500
The combination of genetic material from two parents to create a new individual
What is sexual reproduction?
500
Miss Duann's major in college
What is molecular genetics?
500
An area on land that shares a similar climate, soil condition, and type of vegetation
What is a biome?
500
The process by which molecules move from an area of high concentration to an area of low concentration
What is diffusion?
500
Condensed genetic material that is made of DNA wrapped around proteins
What is a chromosome?