bio chapter one Flashcards
Why are living organisms classified?
to avoid confusion
easier to study the organism
learn how various organisms are related to each other-
Why are the classification systems changing every now and then?
classification systems are changing every now and then because : biologists use different characters for classification system like reproduction, biochemistry, nutrition, etc But day by day biologists are learning something new
What different criteria would you choose to classify people that you meet often?
behaviours
geographical location
family members, relatives
the scientific name of mango
Mangifera indica
caps…………, small………
the correct sequence of taxonomical categories
Species —>Genus —> family —>Order —>class —> Phylum —> kingdom
define the word species
the lowest taxonomic category
define the word Phylum
a category higher than class, formed by one or more classes
define the word class
a class is made of one or more related orders
define the word order
made of one or more related family
define the word family
contain one or more genera
define the word genus
a group of related species
what is the kingdom of wheat?
Plantae
what is the class of wheat?
Monocotyledonae
what is the order of wheat?
Poales
what is the family of wheat?
Poaceae
what is the genus of wheat?
Triticum
what is the species of wheat?
aestivum
what is the kingdom of house fly
Animalia
what is the order of housefly>
Diptera
what is the class of house fly?
Insecta
what is the family of house fly?
Muscidae
what is the genus of house fly ?
Musca
what is the specie of house fly >
domestica
Expand ICZN?
International Commission on Zoological Nomenclature
what is the function of ICZN?
The organization responsible for the correct use of the scientific names of animals
What is a couplet in the taxonomic key?
dichotomous.
Define metabolism
Metabolism is the process of conversion of food into energy by a series of chemical reactions
. The mitotic cell division in amoeba represents growth or reproduction?
The phenomenon represents reproduction.
Name a few botanical gardens in India.
Indian Botanical Garde, Kolkata
National Botanical Garden, Lucknow
name the largest botanical garden in the world.
Kew Royal Garden in London
If a habitat contains 20 animal species and 20 plant species, is it “diversity” or “biodiversity”?
This represents biodiversity because biodiversity refers to the variation of life forms in a specified area.
Column I Column II
Family Tuberosum
Kingdom Polymoniales
Order Solanum
Species Plantae
Genus Solanaceae
Family- Solanaceae
Kingdom- Plantae
Order- Polymoniales
Species- Tuberosum
Genus- Solanum
What is the lowest category of classification?
Species
.What are the Taxonomic keys?
The Taxonomic keys are aids that assist in the identification of any organism
Who is known as the Father of Taxonomy?
Carl Linnaeus
What are the 7 levels of taxonomy?
Kingdom, Phylum, Class, Order, Family, Genus, Species.
.What is Taxonomy?
Taxonomy is the process of classifying and nomenclature of all living things according to their characteristics
What is Biodiversity
Biodiversity can be defined as the variation among living organisms from different sources, including terrestrial, marine and desert ecosystems, and other ecological complexes
What is Cellular organization?
The cellular organization is defined as the components that make up the cell, tissues, organs and the organ system.
what is flora?
Flora refers to the total number of plants found in a particular area at a particular time
what is fauna ?
Fauna refers to the total number of animals found in a specific region at a particular time.
what is Vegetation?
It is a broad term used for the plant forms of a region.
what is exotic species?
Any species of a living organism living in a place other than its native places, ex: Eichhornia crassipes
what is Endemic species- ?
These are the species found only in a particular area. For eg; Rauwolfia is an endemic species found only in India
What are the different defining properties of a living organism?
can grow.
can reproduce.
Metabolism
Cellular organization
Consciousness
What are the Building blocks of the living system?
Water.
Lipids.
Oxygen.
Proteins.
Nucleic Acids.
Carbohydrates.
Sodium chloride.
ICVN–
The International Code of Viral Nomenclature.
ICBN
The International Code of Botanical Nomenclature.
ICNB
The Institute for Nature Conservation and Biodiversity.
With reference to Brassica compestris linn.
1-Give the common name of the plant
2- What do the first two words of the name indicate?
3- Why is the scientific name written in italics?
4- What does “linn.” mean?
1- Mustard
2- The first part of the name indicates the generic name, while the second part indicates the species name.
3-The names are written in italics because it is the rule of the binomial nomenclature.
4- “Linn” means Linnaeus, the first scientist to discover the plant.
