Week 1

Question 1

biology is…

Answer 1

the study of life + (non-living parts of the environment)

Question 2

organisms share…

Answer 2

common traits that define life

Question 3

6 traits that define life

Answer 3

evolve, growth, reproduce, sense/respond to stimuli, get/use materials/energy,maintain organized complexity

Question 4

__ cant get materials/energy, reproude, or grow by themseleves

also dont fall into eukaryotic cells/prokaryotic cells

Answer 4

viruses

Question 5

viruses need to infect a what…

Answer 5

host cell

Question 6

eukaryotiv cells are/have

Answer 6

plants, animals, fungi/a nucleus, plasma membrane, can be unicellular/multicellular

Question 7

aomeba are

Answer 7

unicellular eukaryotes

Question 8

people are

Answer 8

multicellular eukaryotes

Question 9

prokaryotic cells..

Answer 9

are bacteria/archaea that lack organelles; are unicellular; and have ribosomes

Question 10

ribosomes

Answer 10

presence /absence of them help create proteins and bacteria need them in order to exist

Question 11

organisms get/use energy by 2 ways

Answer 11

humans: consumption/plants: photosynthesis

Question 12

homeostasis

Answer 12

living things need to maintain internal environment

Question 13

bacteria grow by

Answer 13

enlarging cells and dividing to reproduce (binary fission = asexual reproduction)

Question 14

animals/plants grow by

Answer 14

increasing # of cells in bodies via cell division

Question 15

development

Answer 15

an organism becomes more complex

Question 16

dna

Answer 16

exists in living cells (NOT VIRUSES)

Question 17

genes

Answer 17

specific units of dna that are the basic units of heredity

Question 18

evolution

Answer 18

all living organisms evolve

Question 19

mutations

Answer 19

changes in genes caused by dna errors/damesges to dna

Question 20

natural selection

Answer 20

triats that allow them to survive better than others

Question 21

adaption

Answer 21

structures/ physiological processes/ behaviors that aid in survival/reproduction

Question 22

atom

Answer 22

smallest particle of an element that has all the properties of said element

Question 23

atoms can combine to

Answer 23

form molecules

Question 24

molecules

Answer 24

building blocks of each cell

Question 25

cell

Answer 25

basic unit of life

Question 26

cells can combine to form

Answer 26

tissues

Question 27

tissues combine to form

Answer 27

organs

Question 28

organs form

Answer 28

organ systems

Question 29

earth’s organisma are classified into 3 domains

Answer 29

bacteria: prokaryotic unicellular (no nucleus/organelles)

archaea: prokaryotic unicellu;ar (no nucleus/organelles)

eukarya: muticellular eukaryotic (except for fungi/yeast/ameoba)

Question 30

scientific method

Answer 30

observation/question/hypothesis/prediction/experiment/conclusion

Question 31

regulating materials that enter or leave the cell is a propety of life

Answer 31

FALSE

Question 32

prokaryotes dont have a what

Answer 32

ER (endoplasmic reticulum)

Question 33

bacteria accomplish chemotaxis by

Answer 33

frequently stopping ad tumblinf to btter sense good conditions

Question 34

some bacteria have __ that detoxify __ (break it down)

Answer 34

enzymes/hydrogen

Question 35

thigmotrapism

Answer 35

turning/bending of plant/organism in response to touch stimulus