Chapter 1 Vocab

Question 0

organism

Answer 0

a living thing

Question 1

biology

Answer 1

the study of life

Question 2

organization

Answer 2

organisms are composed of one or more cells; each cell contains the DNA that is necessary to control the organism’s life processes

Question 3

reproduction

Answer 3

the production of offspring

Question 4

species

Answer 4

a group of organisms that can interbreed and produce fertile offspring in nature

Question 5

growth

Answer 5

the increase in the amount of living material and the formation of new structure

Question 6

development

Answer 6

all of the changes that take place during the life of the organism

Question 7

environment

Answer 7

an organism’s surroundings; includes the air, water, weather, temperature, and any other organisms in the area

Question 8

stimulus

Answer 8

anything in an organism’s external or internal environment that causes the organism to react

Question 9

response

Answer 9

a reaction to stimulus

Question 10

homeostasis

Answer 10

the regulation of an organism’s internal environment to maintain conditions suitable for its survival

Question 11

energy

Answer 11

the ability to cause change

Question 12

adaptation

Answer 12

any structure, behaviour, or internal process that enables an organism to respond to environmental factors and to live to produce offspring

Question 13

evolution

Answer 13

the gradual change in a species through adaptation over time

Question 14

Scientific Method

Answer 14

the common steps used by scientists to gather information and answer questions

Question 15

hypothesis

Answer 15

an explanation for a question or problem that can be formally tested

Question 16

experiment

Answer 16

investigation that tests a hypothesis by the process of collecting information under controlled conditions

Question 17

control

Answer 17

a test in which all conditions are kept the same

Question 18

independent variable

Answer 18

the condition in the experiment that is changed

Question 19

dependent variable

Answer 19

scientists observe or measure second conditions that result from the change

Question 20

safety symbol

Answer 20

a symbol they warms of or about a danger that may exist from chemicals, electricity, heat, or procedures used

Question 21

data

Answer 21

information obtained from investigations

Question 22

theory

Answer 22

explanation of a natural process that is supported by a large body of scientific evidence obtained from many different investigations and observations

Question 23

quantitive data

Answer 23

numerical data

Question 24

qualitative

Answer 24

observational data; written descriptions of what scientists observe

Question 25

ethics

Answer 25

the moral principles and values held by humans

Question 26

technology

Answer 26

the application of scientific research to society’s needs and problems