lol Flashcards
xylem
water conductionh cells in plants
annual ring
;ayers of wood for single growin hseason
summerwood
small circles and hard to transport water
springwood
transport easily
sapwood
overall both types of wood and water transport
heartwood
center of cells compacted for support
hardwood
looses leaves and decious
softwood
needles and confierous
primary successsion
a new communty that coonizes ann area where there is no soil (nothing living) complete whipe out
secondary succession
a new communitu develops in a disturbed site where the soil that supported a previous life remains
species
organisms that are gentically related and can breed to produce fertile young
population
is group that b elong to the same species that live and interact with each other
community
diffrent population in same area that interact
biosphere
all parts of earth that support life
biotic
cuurently living ans was living