chp 1 sec 1

Question 1

observation

Answer 1

the process of gathering info about events or processes ina careful, orderly way

Question 2

data

Answer 2

the info gathered from observations

Question 3

inference

Answer 3

a logical interpretation based on prior knowledge or experience

Question 4

hypothesis

Answer 4

a proposed scientific explanation for a set of observations

Question 5

spontaneous generation

Answer 5

idea that life could arise from nonliving matter

Question 6

controlled experiment

Answer 6

when only 1 variable is changed at a time, all other variables should be kept unchanged

Question 7

manipulated variable

Answer 7

the variable that is deliberately changed

Question 8

responding variable

Answer 8

the variable that is observed and that changes in response to the manipulated variable

Question 9

theory

Answer 9

a particular hypothesis may become so well supported that scientists consider it a theory

Question 10

biology

Answer 10

the science that seeks to understand the living world

Question 11

cell

Answer 11

a collection of living matter enclosed by a barrier that separates the cell from its surroundings

Question 12

sexual reproduction

Answer 12

2 cells from different parents unite to produce the first cell of new organism

Question 13

asexual reproduction

Answer 13

the new organism has a single parent

Question 14

metabolism

Answer 14

the combination of chemical reactions through which an organism builds up or breaks down materials as it carries out its life process

Question 15

science

Answer 15

an organized way of using evidence to learn about the natural world