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BioSci Lab 1/2

Taxon group or level of organization into which organisms are classified
Cells Fundamental structural, functional, and reproductive units of life
Levels of Organisation - protoplasmic - cell - tissue - organ - organ system - multi-cellular organisms
Taxonomy Involves the scientific naming and grouping of organisms based on their position in their Kingdoms (Fungi, Plantae, and Animalia)
Goals of Taxonomy 1. sort out closely related organisms 2. grouping species into larger groups
Hierarchical Model Each group becomes more exclusive and more specific as you move from Kingdom to Species
King Kingdom
Phillip Phylum
Came Class
Over Order
For Family
Ginger Genus
Snaps Species
Two characteristics that must be present in a group of animals for them to be considered their own species 1. same species are capable of interpenetrating and fertile to produce offspring 2. reproductively isolated from other species
Binomial Nomenclature Classification system in which each species is assigned a two-part scientific name (Genus and Species)
Parts of a Cell - cell membrane - nucleus - cytoplasm - endoplasmic reticulum (ER) - golgi apparatus - mitochondria
Cell Membrane Semi-permeable membrane surrounding the cell
Nucleus A part of the cell containing DNA, also has semi-permeable membrane
Cytoplasm Cell fluid which holds organelles
Endoplasmic Reticulum Makes proteins (rough ER) and fats/steroids (smooth ER)
Golgi Apparatus Moves proteins/cell products through the cell, can release outside of the cell
Mitochondria Energy creation, there can be more than one
Scientific Name The name given to each species, consisting of its genus and its species label
Genus and Species Name is Always... Underlined or italicised
Genus Name is Always... Capitalised on the first letter
Species Name is Always... Lowercase
All Living Things... - eat - excrete - respire - osmoregulate - reproduce
Cilia Hairlike projections that extend from the plasma membrane and are used for locomotion
Commensalism (+/0) Interaction that benefits one species, no effect on the other
Eukrayote A membrane-bound cell that has a nucleus and has organelles
Flagella Whiplike tails found in one-celled organisms to aid in movement
Magnification Increase in perceived size of diameter of an object
MultiCellular Organisms composed of many cells (animal/plant/fungi)
Mutualism (+/+) Interaction that benefits both species
Objective Objective lens
Ocular Eyepiece
Parasitism (+/-) One organism benefits and the other is harmed
Phylum Amoebozoa - use pseudopodia to feeding and locomotion - can be free-living or parasitic - AMOEBA
Phylum Chorophyta - one or more flagella - VOLVOX (colonial)
Phylum Ciliophora - have cilia - two types of nuclei: macro and micro - PARAMECIUM & STENTOR
Phylum Euglenozoa - move using flagella - 2 sub-phylums - parasitic
Protists - single celled - have organelles, no organs - protoplasmic level of organisation
Protists can be in _____ relationships with other organisms Symbotic
Protists Definition A single-celled organism lacking a membrane-bound nucleus and organelles
Pseudopodia Temporary extension of the cytoplasm of an amoeboid cell for movement and feeding
Resolution Ability to tell 2 closely placed object apart
Subphylum Euglenida - two flagella with different structures - EUGLENA
Subphylum Kinetoplasta - one or two flagella - TRYPANOSOMA
Total Magnification Ocular x Objective
Unicellular A single celled organism (protists/bacteria)
Created by: 2065626050205871