Living Things Vocabulary Use the word bank on the board Chapter 2 Living Things Vocabulary Use the word bank on the board

Section 1

The basic unit of structure and function in living things…

Cells

a living thing..

Organism

organisms made up of more than one cell..

Multicellular

organisms made of a single cell….

Unicellular

a change in an organism’s surrounding that causes the organism to react….

Stimulus

an organism that makes its own food…

Autotroph

the process of change that occurs during an organism’s life to produce a more complex organism….

Development

the maintenance of stable internal condition in an organism…

Homeostasis

an organism that cannot make its own food…

Heterotroph

an action or change in behavior that occurs in reaction to a stimulus…

Response

Section 2

the mistaken idea that living things arise from nonliving sources….

Spontaneous Generation

consists of pairs of choices; used to classify items in the natural world…..

Dichotomous key

a classification grouping that consists of a number of similar a classification grouping that consists of a number of similar. Closely related species…

Genus

an organism whose cells lack a nucleus and some other cell structures…

Prokaryote

an organism whose cells contain nuclei…

Eukaryote

the process of grouping things based on their similarities…

Classification

a group of organisms that are physically similar and can mate with each other and produce offspring that can also mate and reproduce…

Species

the control center of an eukaryotic cell that directs the cell’s activities and contains the information that determines the cell’s form and function…

Nucleus

the system for naming organism in which each organism is given an unique, two-part scientific name (genus and species)…

Binomial nomenclature

the scientific study of how living things are classified…

Taxonomy