Ch.3 Kingdom Classification Flashcards
First person to think of classification
Aristotle
Define classification
The process of arranging things into groups or sets according to some common properties
Define Taxonomy
The branch of biology that deals with naming and classifying organisms
(3) What are some advantages of classifying?
Helps in identifying organisms and categorizing them into groups
- Leads to a systematic study of living organisms
- it provides information about plants and animals living in different geographical regions
- it helps understand how different types of organisms have evolved over millions of years
Person who developed a way to organise plants and animals
Carolus Linnaeus
What are the two parts of a binomial name?
genus and species
Who proposed the five kingdom taxonomic classification?
1969, Robert Whittaker
Define prokaryotic cell
A cell that does not have a well-defined nucleus
Define Eukaryotic cell
a cell that has a well-defined, membrane bound nucleus
What are the two modes of nutrition?
autotrophic and heterotrophic
What are the five kingdoms?
Monera, Protista, Fungi, Plantae, Animalia
Who all come under the kingdom monera?
unicellular prokaryotic organisms with cell wall
(all bacteria)
What are the 4 main shapes of bacteria?
Cocci (ball shaped)
Vibrio (comma shaped)
Bacillus (rod shaped)
Spirillum (spiral shaped)
What is a capsule?
A gelatinous outer layer surrounding the cell wall
What do some useful bacteria do? (5)
- Can help in Production of medicines
- can help in the production of vaccines
- can help modify food
- help in the tanning of leather
- help in the retting of fibres
What are some antibiotics produced by bacteria?
Streptomycin
Tetracycline
What is curdling?
When bacteria (lactobacillus) is used to ferment milk and prepare cheese, they convert lactose into lactic acid
This is known as curdling
What can some harmful bacteria do?
Spoil food
Cause diseases
What are some diseases caused by bacteria?
Typhoid
Cholera
Diphtheria
Tuberculosis
Pneumonia
What causes cholera?
What causes typhoid?
What causes diphtheria?
Vibrio Cholerae
Salmonella typhi
Corynebacterium diphtheriae
What causes pneumonia?
What causes tuberculosis?
Streptococcus pneumoniae
Mycobacterium tuberculosis