Chapter 1-1.1

Question 1

Bio is the…

Answer 1

study of life

Question 2

living things are composed of…

Answer 2

the same chemical elements as nonliving things

Question 3

living things obey…

Answer 3

the same physical and chemical laws that govern everything in the universe

Question 4

the cell is the

Answer 4

basic unit of structure and function of all living things.

Question 5

unicellular or

Answer 5

multicellular

Question 6

the levels of biological organization range from … to the biosphere

Answer 6

atoms

Question 7

levels of biological organization

Answer 7

atom,molecule,cell,tissue,organ,organ system,organism,species,population,community,ecosystyem,biosphere

Question 8

an ecosystem

Answer 8

is a community plus its physical environment

Question 9

the biosphere

Answer 9

is a zone of air,land, and water where organisms exist

Question 10

a community

Answer 10

is a collection of interacting populations within the same environment

Question 11

a population

Answer 11

is all the members of a species within an area

Question 12

an organism

Answer 12

is formed when organ systems are joined together

Question 13

organs work together to

Answer 13

form organ systems

Question 14

tissues make up

Answer 14

organs

Question 15

similar cells combine to form

Answer 15

tissues

Question 16

molecules join to form larger molecules within a

Answer 16

cell

Question 17

atoms combine to form

Answer 17

molecules

Question 18

the organization of life begins with

Answer 18

atoms

Question 19

energy is

Answer 19

the capacity to do work

Question 20

metabolism is

Answer 20

all the chemical reactions that occur in a cell

Question 21

the sun is the

Answer 21

ultimate source of energy for nearly all life on earth

Question 22

plants capture solar energy to preform

Answer 22

photosynthesis

Question 23

photosynthesis is

Answer 23

a process that converts solar energy into the chemical energy of carbohydrates

Question 24

chemicals are not used up when

Answer 24

organisms die

Question 25

ecosystems are characterized by

Answer 25

chemical cycling and energy flow

Question 26

energy from the sun flows through plants and other members of the food chain as one population feeds on

Answer 26

another

Question 27

homeostasis is

Answer 27

the maintenance of internal conditions within certain boundaries

Question 28

living organisms interact with

Answer 28

the environment and respond to changes in the environment

Question 29

all living organisms must

Answer 29

reproduce to maintain a population

Question 30

when organisms reproduce they pass on copies of their genetic information to the next generation. this is called...

Answer 30

genes

Question 31

genes are composed of

Answer 31

dna

Question 32

genes determine

Answer 32

the characteristics of an organism

Question 33

dna stands for

Answer 33

deoxyribonucleic acid

Question 34

an adaptation

Answer 34

is any modification that makes an organism better able to function in a particular environment

Question 35

evolution is

Answer 35

the change in a population of organisms over time to become more suited in the environment

Question 36

the diversity of life exists because

Answer 36

over long periods of time, organisms respond to changing environments by developing new adaptations.