2º Exam Flashcards
(16 cards)
Who can we know if two organism belong to the same specie?
Two organism belong to the same specie if they are able to produce offsprings that retain this ability.
How can we know if a classification is natural or artificial?
ARTIFICIAL: the classification were not based on a natural characteristics of organism but on subjective criteria
NATURAL: the classification is based on the characteristics of life forms.
How they classify in the past?
They classify if they are harmful, useful and superfluous (animals)
What is the order of the taxa(categories)
1º Kingdom 2º Phylum/ Division
3º Order 4º Family
5º Genus 6º Species
How sciencetificts name animals?
First they write their genus and then their specie
How we call the evolutionary history of species
Phylogenetic classification
TABLAAAAAA
Diversity of life
Current system of…
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What were the Three Domain System?
Bacteria, Archaea and Eukarya
What is evolution
Evolution is the process by which species change steadily over hundrends of thousands of year.
What is the philogenetics?
It is the discipline that establishes the evolutonary relationships among different groups of organism.
They use phylogenetic trees.
What are the characteristics of a the animal kingdom?
They are consumers/ heterotrophs, are multicellular (have tissues and organs), have eukaryotic cells and can move independently.
What are the characteristics of the plant kingdom?
They are multicellular (tissues and organs), have eukaryoic cell, photoautotrophs (autotrophs), primary consumers.
They are sessile, it means they are fixed to the ground.
What are the characteristics of the fungi kingdom?
They are multicellular, they cells are organise into filaments called hydra, they are heterotrophs and decoposers, they digest food externally and they are sessile
What are the characteristics of the algae kingdom?
They are unicellular or multicellular, they have eukaryotic cells and they are autotrophs.
What are the characteristics of the protozoa kingdom?
They are unicellular, have eukaryotic cells and are heterotrophs
What are the characteristics of the monera kingdom?
They are unicellular (prokaryotics), are autotrophs and heterotrophs,they have two large groups actually they are two kingdoms (bacteria and archaea).
