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SCIENCE QUIZ. 10.15

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What 6 things do all living things have?
CELLS, SENSE N RESPOND TO CHANGE, REPRODUCE, HAVE DNA, USE ENERGY, GROW AND DEVELOP
what is a cell?
a membrane covered structure that contains al of the materials necessary for life
is a cell always multicelluar?
no it can be single celled to
what is homeostasis
the maintenace of stable internal enviormetn
give an example of homeostastis
getting used to water temp
what is a stimulus
any change in an organsims enviormetn that affects their activity
what is asexual reproduction
single parent splits to make identical offspring
what is sexual reproduction?
2 parenst produce offspirng with charactersits of both parents
whats an example of asuxeal repro
bacteria
example of sexual repro
humans
waht is dna
instrutcions for protenis
what are proteins
part of all cell activites
what is heredity
passing traits from prents to offspring
what is needed for almost all funtioncs
energy
what is metabolism
al of the chimcal activitesi of an organsim
what is single celled growth
one cell gets larger
what is mutlicellular growth
make ore cells
develop-
change as tehy grow
provides organissm with energy and raw materials
food
prouducers
make their own food
consumers
eat other organimsms
decomposers
break down nutrients in alrady dead organisms
most of your body is is __ 70%
water
how many days does it say you can survive wtihout water
3
air
made up of different gases
waht is needed for animals and plants
oxygen
what is needed for photosynthesis in plants
cabron dioxide
a place to live
contains other necessiteis

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