Dichotomous Keys
How many options are there at each branch of the key
2
What is another way of saying scientific naming?
Binomial nomeclature
What is biodiversity?
The variety of all living things
What's the most specific level of classification
species
What is a slide?
The piece of glass that holds the specimen
What are the names of the two forms?
Tabular and Flow-chart
Which two levels of classification are used in scientific naming?
Genus and species
what are the three levels of biodiversity?
Genetic, species and ecosystem
what does biotic factors mean?
living factors within an environment
What is a specimen?
an individual animal, plant, piece of a mineral, etc. used as an example of its species or type for scientific study or display
What does the Di in dichotomous key indicate?
2 options
What is the purpose of scientific naming?
To provide individual species with a unique name based on classification through the heirarchy
What is genetic diversity?
Genetic biodiversity refers to
the range of different genes in
the group and the size of the
gene pool.
Which two levels of classification are the broadest?
kingdom and phylum
What is the magnification of the ocular lens?
10x
What does every dichotomous key start with?
A title
How are organisms grouped in the same genus?
Based on their similar characteristics such as physical features, methods of reproduction and molecular sequence.
what is ecosystem diversity?
Ecosystem diversity specifically
addresses the combination of abiotic
and biotic factors that provide a
specialised habitats to support
genetic and species diversity.
list 5 abiotic factors within the classroom
temperature, light, breeze, table, desk, chair...
What is a compound microscope?
an optical instrument that utilizes multiple lenses to achieve high magnification of small samples
What is the purpose of a dichotomous key?
To classify/identify organisms
List all the grammatical features when scientific naming
Genus capitalised
Species lower case
underlined or italics
High species diversity is measured by what two factors/
species richness and species evens
List the 7 levels of classification in order
Kingdom, phylum, class, order, family, genus, species
What is the name of the part which you place your slide on, on a compound microscope?
The stage