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Biological Principle

Reiew basic biological principles

TermDefinition
Characteristics of Life OHGRADES
First level of organization Cell
Homeostasis Maintaining a stable/constant internal environment
Growth The addition of body mass
Reproduction The process of producing offspring
Adaptation A characteristic that helps a living organism survive and reproduce in a given environmnet
Development The changes an organism goes through in its lifetime
Respiration The process of acquiring energy from food
Stimuli A change in the environment that causes a response
Second level of organization Tissue
Third level of organization Organ
Fourth level of organization Organ system
Biology The science of life
Organization Leveling by characteristic and complexity
Organelle Structure within cells that carries out a particular function or job
Cell Basic unit of structure and function of living things
Tissue Group of cells of the same kind carrying out a particular function or job
Organ Structure composed of one or more types of tissues
Organ system Group of organs that work together to do a certain function
Organism Individual living thing that may be made up of one or more cells
Evolution A change in the characteristics of living organisms over time
Response Reaction to a stimuli
Energy The ability to do work
Autotroph Store chemical energy in food molecules they produce
Food Organic molecules that provide energy to do work and carbon to build cells
Producers Autotrophs
Heterotrophs Organisms that cannot make their own food so they must eat or absorb food
Consumers Heterotrophs
Taxonomy The science of classifying organisms
Taxonomic hierarchy KPCOFGS
Archaebacteria Ancient bacteria; prokaryote
Eubacteria True bacteria; prokaryote
Protist Eukaryote; amoeba and paramecium
Fungi Eukaryote; mushrooms and puffballs
Plant Eukaryote; oak tree and tulip
Animal Eukaryote; dogs, whales and worms
Linnaeus Father of taxonomy
Domain Category in a level above the kingdom level; Archae, bacteria, eukarya
Prokaryotic Cells that lack membrane bound organelles
Eukarotic Cells that have membrane bound organelles
Nucleus Control center of the cell
Scientific name Genus species
Hooke Scientist that named cells when he looked at cork under a microscope
Schleiden and Schwann Proposed that cells are the basic building blocks of all living things
Virchow Proposed that all cells come from pre-existing cells
Four parts found in all cells Cytoplasm, ribosome, DNA and plasma/cell membrane
Ribosomes Structures that produce proteins in all cells
Plasma membrane Phospholipid layer that surrounds all cells
Cytoplasm Gel-like liquid that suspends organelles and is found in all cells
DNA Nucleic acid found in all cells
Unicellular organism Organism made up of only one cell
Colonial organism An organized structure composed of many individual one celled organisms that live and work cooperatively
Multicellular organism Organism made up of many cells
Created by: kathie
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