Diversty Quiz Flashcards
(27 cards)
Classification groups in order
- Kingdom
- Phylum
- Class
- Order
- Family
- Genus
- Species
What are the 7 characteristics of life?
- Cellular organization
- Reproduction
- Metabolization
- Homeostasis
- Heredity
- Responsiveness
- Growth and development
* Evolution
What is cellular organization?
The components that make up a cell
(Cell, tissue, organ, organ system)
What is metabolization?
The ability to obtain and use energy
Autotroph vs Heterotroph
Autotroph: creates own energy through photosynthesis, carbon cycle, etc.
Heterotroph: consumes energy from other organisms
What is homeostasis?
The state of steady internal, physical, and chemical conditions maintained by the body
By 2010, ____ kinds of species have been identified
1.7 million
Earth may be home to as many as ______ different kinds of living things
15 million
Of all species that have ever lived, only __% are still living
0.1
What is a species?
The group whose members are able to freely breed among themselves in natural conditions. The individuals may show different traits or subtle differences, but still belong to the same species
Structural diversity?
Range of physical sizes, shapes and distribution of the individuals, as well as habitats in an ecosystem
Risks of losing biodiversity:
- Threatens our food supply
- eliminate sources of medicines
- economic impact on tourism
- forestry potential to disrupt biogeochemical cycles
What did E.O Wilson estimate?
The current rate of extinction may be 10,000 times greater than it would have been without humans
Only _% of the worlds oceans and __% of the worlds land is protected
3, 11
What is the goal of classification?
To track evolution and determine which organisms share common ancestors
What is taxonomy?
Classification and identification name of organisms. It aims to group organisms according to a set of criteria
Singular: taxon
Plural: taxa
What is phylogeny?
The study of evolution related between a species. Instead of tracing relationships between family members, it tracks relationships between entire species
What is a taxon species?
The smallest group and contains only a single type of organism
TRUE OR FALSE: the organisms in a species are most like one another
True
What are the names of the six kingdoms?
- Archaebacteria
- Eubacteria
- Protista
- Fungi
- Plantae
- Animalia
What is a dichotomous key and what is its purpose?
A tool we use to place organisms into the appropriate classification group. It includes two choices for each characteristic
What are phylogenetics?
The reconstructing of evolutionary relationships among organisms
What is a clade?
Taxonomic group that includes a single common ancestor, and all its descendants
What are the 2 types of taxonomy?
Traditional classification and phylogenetic analyses