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Characteristics of Life
Life science
35
Biology
7th Grade
02/07/2011

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Term
Nutrition
Definition
Process of getting food and nutrients needed for life processes
Term
Digestion
Definition
Process of breaking down food into usable substances by the organism
Term
Egestion
Definition
Process that eliminates solid wastes from the organism
Term
Excretion
Definition
Process that eliminates liquid and gaseous wastes
Term
Transport
Definition
Circulation or movement of nutrients through a cell or body
Term
Ingestion
Definition
Process of taking in food or nutrients
Term
Respiration
Definition
Release of energy stored in food.
Term
Regulation
Definition
Control and Coordination of the body
Term
Reproduction
Definition
To produce more cells or organisms of the species
Term
Growth
Definition
To increase in size
Term
Metabolism
Definition
ALL Life processes
Term
Homeostasis
Definition
To maintain constant internal body conditions
Term
Response
Definition
Reaction to stimulus or change in the environment
Term
Autotroph
Definition
Organism that makes its own food from Carbon Dioxide and Water
Term
Heterotroph
Definition
Organism that CANNOT make its own food, so it has obtain food.
Term
Aerobic
Definition
Organism that uses Oxygen
Term
Anaerobic
Definition
Organism that does not use Oxygen
Term
What are the 6 characteristics of life?
(hint) RED CAR
Definition
Response
Energy
Develop
Cells
Adapt
Reproduce
Term
What are the needs of living things?
Definition
Food
Temperature
Water
Air
Living space
Term
Byproduct
Definition
Substance produced in addition to the main product.
Term
Migration
Definition
Seasonal movement of animals from one location to another.
Term
Stimulus
Definition
Change in the environment that causes a response by the organism.
Term
Offspring
Definition
New organism produced by a living thing
Term
Explain the difference between Sexual and Asexual reproduction.
Definition
Asexual has 1 parent

Sexual requires 2 parents
Term
Spontaneous Generation
Definition
Theory that life comes from non-living things
Term
How do scientists classify living things?
Definition
Living things are classified by similar characteristics
Term
What is Taxonomy?
Definition
Taxonomy is the science of classifying living things.
Term
How did the ancient Greeks classify?
Definition
Aristotle classified life into plants and animals.
Term
Who is considered the Father of modern Taxonomy?
Definition
Carolus Linnaeus, who classified organisms according to their physical characteristics.
Term
What is the largest classification group?
what is the smallest?
Definition
Kingdom

species
Term
Which Kingdom contains single celled organisms that lack a true nucleus?
Definition
Monerans or Monera

ex: Bacteria
Term
Which Kingdom consists of single-celled organisms with a nucleus?
Definition
Protista

ex: Amoeba,paramecium
Term
Name three characteristics of Fungi.
Definition
Heterotrophic, multicellular, and are plantlike due to a cell wall.

ex: fungi and mushrooms
Term
List 3 characteristics of the Plant Kingdom.
Definition
Multicelluar, Autotrophic, contain cell walls.
Term
What are the characteristics of the Animal Kingdom?
Definition
multicelluar, Heterotrophic, no cell wall, and have organ systems
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