Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
45 Cards in this Set
- Front
- Back
|
Taxonomy
|
branch of biology that deals with the naming and classification of living things
|
|
|
Early Schemes
|
Aristotle= habitat
John Ray= Structure |
|
|
Carolus Linnaeos
|
father of modern taxonomy
Used structural similarities and evolutionary relationships |
|
|
Evolution
|
all present forms of life share a common ancestor and evolve from simplire more primitive ancestors/ organisms
|
|
|
Classification categories
|
Kingdom
Phylum Class Order Family Genes Species |
|
|
Nomenclature
|
a system for naming organisms
|
|
|
BEFORE LINNEAUS- organisms name =
|
genus by 7-9 latin words
|
|
|
LINNEAUS's NOMENCLATURE
|
2 word naming system [binomial nomenclature] is the scientific name - GENUS & SPECIES
|
|
|
THEORY OF EVOLUTION
|
CHARLES DARWIN
relationships exist between species |
|
|
Species
|
natural group or population of organisms that interbreed in nature
|
|
|
Taxonomic key / dichotomous key/ classification key
|
identify organisms through series of questions
|
|
|
objective powers
|
low-10x X 10x = 100x
middle-10x X 25x = 250x high- 10x X 40x = 400x |
|
|
********* 1 mm =
|
1,000 um
|
|
|
to measure field diamater under high power ...
|
if low power = 100 x
if high power = 400x ratio between them is 100/400 = 1/4 X field diameter AKA known over unknown |
|
|
Taxonomy
|
branch of biology that deals with the naming and classification of living things
|
|
|
Early Schemes
|
Aristotle= habitat
John Ray= Structure |
|
|
Carolus Linnaeos
|
father of modern taxonomy
Used structural similarities and evolutionary relationships |
|
|
Evolution
|
all present forms of life share a common ancestor and evolve from simplire more primitive ancestors/ organisms
|
|
|
Classification categories
|
Kingdom
Phylum Class Order Family Genes Species |
|
|
Nomenclature
|
a system for naming organisms
|
|
|
BEFORE LINNEAUS- organisms name =
|
genus by 7-9 latin words
|
|
|
LINNEAUS's NOMENCLATURE
|
2 word naming system [binomial nomenclature] is the scientific name - GENUS & SPECIES
|
|
|
THEORY OF EVOLUTION
|
CHARLES DARWIN
relationships exist between species |
|
|
Species
|
natural group or population of organisms that interbreed in nature
|
|
|
Taxonomic key / dichotomous key/ classification key
|
identify organisms through series of questions
|
|
|
objective powers
|
low-10x X 10x = 100x
middle-10x X 25x = 250x high- 10x X 40x = 400x |
|
|
********* 1 mm =
|
1,000 um
|
|
|
to measure field diamater under high power ...
|
if low power = 100 x
if high power = 400x ratio between them is 100/400 = 1/4 X field diameter AKA known over unknown |
|
|
chromatography
|
technique that separates substances based on chemical or physical properties
|
|
|
Light microscope
|
device that uses light to produce enlarged image
|
|
|
Mechanical system
|
structural parts of a compound microscope that holds speciemn
|
|
|
Magnification
|
enlargement of an image
|
|
|
centrifugation
|
process by which materials of different densities can be seperated in liquid
|
|
|
Tissue culture
|
maintaining living cells or tissues in a culture medium outside the body
|
|
|
Transmission electron microscope
|
magnifies image more than 250000 times
|
|
|
microdissection
|
tiny instruments performing operations on living cells under microscope
|
|
|
scanning electron microscope
|
instrument passes a finely focused electron bean over surface of specimen
|
|
|
systems that make up microscope
|
optical, mechanical, light
|
|
|
resolution
|
ability of microscope to show two points that are close together as separate images
|
|
|
spectrophotometry
|
determine substances in a sample from teh kind of light it absorbs
|
|
|
to prepare a specimen
|
dried, embedded in plastic, sliced thin and stained
|
|
|
theophrastus
|
grouped plants according to the type of stem they had
|
|
|
john ray
|
grouped organisms according to smilliar structures
|
|
|
Kingdoms
|
Archaebacteria
Eubacteria Protista Fungi Plantae Animalia |
|
|
information
|
biochemical
cytological embryological behavioral structural |
