Ch 23 Systematics Flashcards
What language is the word ‘science’ derived from?
What makes it unique?
from Latin: know
science is unique because it values objectivity
What is science?
continually collecting new info to test previously acquired knowledge
Subjective:
influenced by personal feelings/opinions
Objective:
not influenced by personal feelings or opinions in considering facts
- not dependent on the mind for existence
- a matter of fact(indisputable)
The process of science includes what 2 ways of reasoning?
Describe them.
Inductive Reasoning - draws General conclusions based on specific observations (theory building)
Deductive reasoning - draws Specific conclusions based on Premises (using theory to predict; depends on inductive reasoning
What is a hypothesis and what makes it more than just a guess?
a tentative(can be proven false) explanation for observations
- reason it is more than a guess is because it is consistent with facts/ observations
Scientific Theory
tested on how well it explains the things it predicts
supported by reproducible observations
taxonomy
science of classifying, naming, describing, organisms
systematics:
study of diversity of organisms and their evolutionary relationships
- gives reason for taxonomy
why do scientists use specific names and classifications of organisms?
provides a system to give Every kind organism a unique name
- led to the binomial system
Who developed the Binomial System of Nomenclature and, what is the basic unit of classification?
Lenaeus (swedish guy) in mid-18th century
- species is the basic unit of classification
what are the 2 parts in binomial nomenclature
- genus name
2. specific epithet(adj)
whats the order of the Hierarchical System of Classification ?
Domain (domain king philip came over for great spaghetti) Kingdom Phylum Class Order Family Genus Species
Taxon
particular ‘group’ at any level in the hierarchy
What are 3 Domain classifications?
Archaea (Prokaryotes, no nucleus or peptidoglycan in walls)
Bacteria (Prokaryotes. peptidoglycan IS in walls)
Eukarya (Eukaryotes. have nucleus, Protists, Plants, Animals, Fungi)