Shared Flashcard Set

Details

science
science flashcards
14
Science
7th Grade
10/28/2014

Additional Science Flashcards

 


 

Cards

Term
pollen
Definition
tiny structures that have cells and soon will become sperm cells
Term
seed
Definition
structure contains a young plant inside a protective color
Term
gymnosperm
Definition
seed plant that produces "naked seeds" (don't have a covering)
Term
angiosperm
Definition
produce flowers, contrast to gymnosperm
Term
Root cap
Definition
protects root from injury as grows into soil.
Term
Phloem
Definition
vascular tissue which food moves.
Term
xylem
Definition
roots absorb minerals from soil, mover upward
Term
cambium
Definition
divides to pruduce new phloem and xylem.
Term
Embryo
Definition
has beggining of roots, stem, and leaves.
Term
germination
Definition
when embryo begins to grow again then pushes out of the seed
Term
tropism
Definition
plants grows toward stimulus
Term
auxin
Definition
speeds up rate when plant grows
Term
photoperiodism
Definition
a pants reponce to seasonal changes in lenghth of night and day
Term
demoracy
Definition
period of time when an organism's growth/activity stops
Supporting users have an ad free experience!