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S2 Sci Plants
flashcards
23
Biology
Not Applicable
06/17/2014

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Cards

Term
the stage in the life cycle of a flowering plant that follows flower formation
Definition
pollination
Term
the stage in the life cycle of a flowering plant that follows seed & fruit formation
Definition
seed dispersal
Term
the stage in the life cycle of a flowering plant that follows seed dispersal
Definition
germination
Term
part of a seed that provides protection
Definition
seed coat
Term
part of a seed that grows into the new plant
Definition
embryo
Term
part of the seed that provides energy for germination
Definition
food store
Term
type of substance that makes up the food store of a seed
Definition
starch
Term
chemical used to test for starch
Definition
iodine
Term
why must seeds be spread away from the parent plant
Definition
to give the new plants the best chance of survival
Term
how are seeds with juicy fruits dispersed?
Definition
animals eating them
Term
how are large seeds dispersed?
Definition
animals taking them away for winter food
Term
how are light-weight seeds dispersed?
Definition
wind carrying them away
Term
how are seeds in pods dispersed?
Definition
explosive
Term
the name for the growth of a seed into a new plant
Definition
germination
Term
what do seeds need for germination?
Definition
seeds need water, oxygen and warmth for germination (W.O.W.)
Term
the first step for testing a leaf for starch
Definition
boil the leaf in water to burst open the cells
Term
why do you boil leaf in alcohol?
Definition
to remove the green colour
Term
plants make sugar in their leaves …. What do they store it as?
Definition
starch
Term
the 2 raw materials for photosynthesis are
Definition
carbon dioxide and water
Term
the 2 requirements for photosynthesis are
Definition
light and green chlorophyll
Term
the 2 products of photosynthesis are
Definition
food (sugar ) and oxygen
Term
water travels up a plant in tubes called
Definition
xylem vessels
Term
the surface of a leaf has tiny holes for gas exchange … they are called
Definition
stomata
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