Unit 2 Similarities among living things

Question 1

Biology is the study of….

Answer 1

life and livingthings

Question 2

In order to be considered living, organisms must perform certain processes called…

Answer 2

life functions

Question 3

an organism means

Answer 3

a living thing

Question 4

name 9 life functions

Answer 4

nutrition, transport, regulation, respiration, excretion, synthesis, metabolism, growth, reproduction

Question 5

nutrition is the process by which organisms

Answer 5

obtain and process food

Question 6

autotroph

Answer 6

an organism able to make its own food

Question 7

heterotroph

Answer 7

an organism unable to make itsownfood

Question 8

ingestion

Answer 8

the process by which food is taken in from the environment

Question 9

digestion

Answer 9

the process that changes food into a form that can be used by the cell

Question 10

describe digestion

Answer 10

large complex molecules are broken down into small simple molecules

Question 11

what is food used for

Answer 11

supplying energy for life activities and materials for the growth and repair of cells

Question 12

transport

Answer 12

the process involved with the circulation and absorption of nutrients

Question 13

circulation

Answer 13

the movement of materials within cells or throughout an organism

Question 14

absorption

Answer 14

the process by which usable materials are taken into the cell

Question 15

nutrients

Answer 15

the usable parts of food

Question 16

respiration

Answer 16

the process that is a complex series of chemical reactions that release energy for life activities

Question 17

how is an organism’s energy stored

Answer 17

in food nutrients

Question 18

aerobic organisms

Answer 18

organisms that need oxygen for respiration

Question 19

anaerobic organisms

Answer 19

organisms that do not need oxygen for respiration

Question 20

excretion

Answer 20

the process by which gaseous or liquid waste materials produced in the cell as a result of life activities are removed

Question 21

what are some common products excreted from cells

Answer 21

water and carbon dioxide (CO2)

Question 22

egestion

Answer 22

the process by which undigested materials are removed from the body

Question 23

regulation

Answer 23

the life activity responsible for the control and coordination of all the various activities of an organism

Question 24

which systems are responsible for regulation

Answer 24

the nervous and the endocrine system

Question 25

stimulus

Answer 25

a change in the internal or external environment

Question 26

give examples of stimuli

Answer 26

light temperature, sound,

Question 27

synthesis

Answer 27

the process by which living things are able to produce complex substances

Question 28

give an example of synthesis

Answer 28

during photosynthesis green plants make complex compunds from simpler materials

Question 29

growth

Answer 29

an increase in size or number of cells of an organism

Question 30

reproduction

Answer 30

the production of new individuals

Question 31

cell division

Answer 31

process by which cells reproduce

Question 32

metabolism

Answer 32

all the processes needed by an organism to maintain life

Question 33

homeostasis

Answer 33

the maintenance of a stable internal environment in spite of changes in the external environment