BIO 160 Chapter 1 Flashcards
Properties of living things
Order, Regulate, Grow and Develop, Obtain and use energy, Respond to the environment, Reproduce, Evolve
Organisms are made of
Cells, tissues, organs, organ systems, organism
DNA
common thread in all life forms.
How do organisms obtain and use energy?
By consuming other organisms or photosynthesis in the case of plants
Reproduction
Will make more of its own kind
Evolution
Change in the genetic makeup of a population over time
Biosphere
The entire portion of the Earth inhabited by life
Ecosystem
All living things and their interaction with their environment
Population
a group of organisms of the same species that are living together in the same area at the same time
Multicellular
an organism with many cells
Unicellular
an organism made up of one cell
prokaryotic
describes a cell that does not have a nucleus or anyother membrane-covered organelles; also called bacteria.
Gene
A segment of DNA that codes for a polypeptide
Genome
The entire amount of genetic information that an organism inherits
Taxonomy
The science of grouping organism
The three Domains
Bacteria, Archaea, Eukarya
The four Kingdoms of Eukarya and their properties
Plantae, Fungi, Animalia, Protista
Plantae
produce their own sugars and other food by photosynthesis
Fungi
mostly decomposers, digest dead organisms
Animalia
obtain food by ingesting other organisms
Protista
generally unicellular group that live in water
The name of Darwin’s publication
On the origin of species by means of natural selection
The three stages of Natural Selection
Overproduction and competition, individual variation is passed from generation to generation, unequal reproductive success
Adaptation
a characteristic that allows a species to be better suited to their environment
Artificial selection
Selective breeding of domesticated plants and animals by humans
eukaryotic
A cell characterized by the presence of a nucleus and other membrane-bound organelles. Can be unicellular (protists) or multicellular (fungi, plants and animals).
science
a way of knowing, an approach to understanding the natural world based on inquiry
discovery science
describing nature
hypothesis-driven science
explaining nature
Scientific Method
Observation, Question, Hypothesis, Prediction, Experiment
controlled experiment
type of experiment to compare an experimental group with a control group
scientific theory
is much broader than a hypothesis, Theories only become widely accepted in science if they are supported by an accumulation of extensive and varied evidence
