What is Life
Organisms are composed of many cells.
Multicellular
An organism reacts to a stimulus with a__________
Response
Taxonomy The scientific study of how things are classified
Taxonomy
The dense area of a cell that contains nucleic acids.
Nucleus
The process by which individuals that
are better adapted to their environment are more likely to survive and reproduce
Natural Selection
The process of change during an organism's life that results in a more complex organism.
Development
The process by which a scientist carries out a series of tests that are identical in every respect except for one factor, which is the manipulated variable.
Controlled Experiment
Process of grouping things based on their similarities
Classification
An organism whose cells lack a nucleus is called a_______
Prokaryote
Who proposed the theory of evolution?
Charles Darwin
A change in an organism’s environment that causes the organism to react
Stimulus
The mistaken idea that
living organisms arise from nonliving sources.
Spontaneous Generation
First word in an organism’s scientific name
Genus
Marine dinoflagellates and seaweed are members of what kingdom?
Protist
To determine whether two organisms are related, scientists may compare the__________________________of their cells.
Chemical Makeup
Organisms that make their own food
Autotroph
The basic unit of structure and function
in an organism.
Cell
A group of organisms that can mate and produce
offspring that can also mate and reproduce
Species
Multicellular organisms that make their own food belong to what kingdom?
Plant
If two species have very similar structures, they may have evolved from what?
Common Ancestor
An organism’s ability to maintain stable internal conditions is called
Homeostasis
Organisms that get energy by consuming other organisms.
Heterotrophs
Naming system developed by Linnaeus
Binomial Nomenclature
Most members of the this kingdom that feed by absorbing nutrients from dead or decaying organisms are called?
Fungi
This is usually a homologous structure
that is shared by all organisms in a group.
Shared Derived Characteristic