Biology Chapter 1 Vocab

Front 1

organized way of using evidence to learn about the natural world; also, the body of knowledge that scientists have built up after years of using this process

Back 1

science

Front 2

use of one or more of the senses to gather information

Back 2

observation

Front 3

evidence; information gathered for observations

Back 3

data

Front 4

logical interpretation based on prior knowledge and experience

Back 4

inference

Front 5

possible explanation for a set of observations or possible answer to a scientific question

Back 5

hypothesis

Front 6

hypothesis (disproven) stating that life could arise from nonliving matter

Back 6

spontaneous generation

Front 7

a test of the effect of a single variable by changing it while keeping all other variables the same

Back 7

controlled experiment

Front 8

factor in an experiment that a scientist purposely changes; also known as independent variable.

Back 8

manipulated vairable

Front 9

factor in an experiment that a scientist wants to observe, which may change in response to the manipulated variable; also known as the dependent variable

Back 9

responding variable

Front 10

well-tested explanation that unifies a broad range of observations

Back 10

theory

Front 11

science that seeks to understand the living world

Back 11

biology

Front 12

collection of living matter enclosed by a barrier that separates the cell from its surroundings; basic unit of all forms of life

Back 12

cell

Front 13

process by which cells from two different parents unite to produce the first cell of a new organism

Back 13

sexual reproduction

Front 14

process by which a single parent reproduces by itself

Back 14

asexual repeoduction

Front 15

set of chemical reactions through which a organism builds up or breaks down materials as it carries out its life processes

Back 15

metabolism

Front 16

a signal to which an organism responds

Back 16

stimulus

Front 17

process by which organisms maintain a relatively stable internal environment

Back 17

homeostasis

Front 18

change in a kind of organism over time; process by which modern organisms have descended from ancient organisms

Back 18

evolution

Front 19

decimal system of measurement based on certain physical standards and scaled on multiples of 10

Back 19

metric system

Front 20

device that produces magnified images of structures that are too small to see with the unaided eye

Back 20

microscope

Front 21

microscope that allows light to pass through a specimen and uses two lenses to form an image

Back 21

compound light microscope

Front 22

microscope that forms an image by focusing beams of electrons onto a specimen

Back 22

electron microscope

Front 23

group of cells grown in a nutrient solution from a single original cell

Back 23

cell structure

Front 24

technique in which cells are broken into pieces and the different cell parts are separated

Back 24

cell fractionation

Front 25

*EXTRA*

Back 25

*EXTRA*