Untitled Deck Flashcards
Definition of biology
The scientific study of life
7 processes all organisms share
Regulation
Reproduction
Evolutionary Adaption
Growth and Development
Response to environment
Order
Energy Processing
Five general themes (Biology)
Organization
Information
Energy and Matter
Interactions
Evolution
12 levels of biological organization
Biosphere
Ecosystem
Community
Population
Organism
Organ System
Organ
Tissue
Cell
Organelle
Molecule
Atom
Cell definition
Smallest unit of life that can perform all activities required for life
Prokaryotic cells are
Smaller and unicellular
Eukaryotic cells are
Larger, complex (because they contain organelles), and multicellular
Gene definition
sequence of DNA in a chromosome that is the unit of inheritance
Core theme of biology
Evolution
The eight Linnaean taxa
Domain
Kingdom
Phylum
Class
Order
Family
Genus
Species
Three domains of organisms
Bacteria
Archea
Eukarya
Darwin refers to evolution as “Decent with ______”
Modification
The times an experiment is completely repeated
Sample size
A statement based on repeated experimental observations. It is assumed to be true.
Scientific Law
A broad explanation that is supported by a large body of evidence. Usually assumed to be true
Scientific theory
Applying scientific knowledge for some specific purpose
Technology
Number of elements on the periodic table
118
Number of naturally occurring elements on the periodic table
92
Protons charge
Positive
Neutrons Charge
No charge
Electrons Charge
Negative
An atom’s mass is determined by the number of
Protons and neutrons
Estimate of the mass of an average atom of an element is the
Atomic number
Isotope
an atomic form of an element with a specific number of neutrons