science test
why does all life depend on plants
there the only living thing that can produce there own food
what two important jobs do roots do for plants
help with plantgrowth and keeps it uproght
what is the tough fiberous material that makes upcell walls in plants
cellulose
list three parts of a seed
embryo cotyledons seed coat
what do ferns use for reproduction in place of seeds
spores
what thoe of organism is a diatom
on celled algeas
in which group do crickets and grasshoppers belong to
orthoptera
in which class do spiders belong
arachnids
what is the single sturdy shell of a crab
carapace
which protozoan has cillia
paramecium
if a rock bends wirhout breaking what is it called
fold
if rhe rock cracks and moves what is it called
fault
what is the hard material that composes the earths crust
rock
what arw the induvidual substances thta make ip ricks
minerals
list two types of extrusive igneous rock
baslt and pumice
what type if rick is formed when molten rock solidifies
igneous rock
list two tupes of chemical sedimentary rock
halite and gypsum
list teo types of mechanical sendimentary rock
shale and sandstone
what tyoe of rick covers 75%of rhe earths surface
sedimentary
list kne type of organic sedimentary rock
limestone
what type of rocks are formed by heat or pressure
metamorphic
list one type of foliated metamorphic rock
slate
list one type of unfoliated metamorphic rock
marble
what is the gardest of all lnown minerals
diamonds
what are two differnent methods of mining coal
stil and surface
what is petroleum in its natural form
crude oil
list three tyoes of caves
sea caves lava caves solution caves