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25
Biology
10th Grade
05/19/2010

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Term
gametophyte
Definition
dominant stage of nonvascular plants
Term
sporophyte
Definition
dominant stage of the vascular plants
Term
antherdidia
Definition
structure that holds sperm
Term
archegonia
Definition
structure that holds egg
Term
water
Definition
nonvascular plants need this to get sperm to the egg
Term
primary
Definition
type of growth that increases length of plant
Term
fibrous
Definition
type of root system that grass have
Term
macronutrient
Definition
type of nutrient that is used by plants on a large scale
Term
springwood, summerwood
Definition
in a stem cross section, type of wood that represents annual rings
Term
transpiration
Definition
loss of water through leaves is referred
Term
compound
Definition
type of leaf that is divided into leaflets
Term
guard cell
Definition
type of cell that open closes stomata
Term
cross pollination
Definition
when pollen is transferred to stigma it is called
Term
self pollination
Definition
type of pollination that involves same flower
Term
pollen tube
Definition
this structure has to grow to the egg in flowers to allow sperm to reach it
Term
animals , wind , burs/stickers, forcible discharge, gravity
Definition
name three ways that seeds get dispersed
Term
ovule
Definition
female structure that has 8 nuclei
Term
pollen
Definition
male structure that has 4 cells
Term
anther
Definition
structure that holds pollen
Term
pollination
Definition
when pollen is transferred to stigma it is called
Term
radicle
Definition
embryonic root
Term
epicotyle
Definition
stem above the cotyledons
Term
dormancy
Definition
state where seeds don't germinate for many years
Term
water, O2 and ideal temp
Definition
name the three things that are needed for seed germination
Term
asexual reproduction
Definition
reproduction in plants using non-reproductive parts is what type of reproduction
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