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Biology Bacteria
Prokaryotes and Bacteria
18
Biology
10th Grade
02/25/2018

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Term
Bacillus
Definition
A rod-shaped prokaryote
Term
Binary Fission
Definition
A type of asexual reproduction in which a prokaryote replicates its DNA and divides into two identical halves
Term
Coccus
Definition
A sphere-shaped prokaryote
Term
Conjugation
Definition
The process by which prokaryotes exchnage genetic material
Term
Endospore
Definition
A thick internal wall that encloses the DNA and part of the cytoplasm in a prokaryote
Term
Prokaryote
Definition
A unicellular organism that lacks a nucleus
Term
Spirillum
Definition
A spiral or corkscrew-shaped prokaryote
Term
obligate aerobes
Definition
Prokaryotes that require a constant supply of oxygen to live.
Term
facultative Anaerobes
Definition
Organisms that can survive without oxygen when necessary.
Term
photoautotroph
Definition
Organism that carries out photosynthesis in a manner similar to that of plants
Term
Chemoautotroph
Definition
Use Energy from Chemical Reactiosn
Term
Heterotroph
Definition
Organism that takes in organic molecules and then breaks them down
Term
Photoheterotroph
Definition
Organisms that use light for energy.
Term
Population
Definition
a group of the same kind of organisms living in the same area
Term
Mutation
Definition
A permanent change in the DNA sequence of a gene.
Term
Selective Pressure
Definition
Something that changes the ability of an organism to survive in a particular environment.
Term
Adaptive Advantage
Definition
A favorable trait that helps an organism survive.
Term
obligate anaerobic
Definition
Organisms that can not live with oxygen
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