IB Biology Plants Study Guide Test.
dicot flower parts-sepal - CORRECT ANSWER the original petals that protected the growing flower bud
dicot flower parts-petals - CORRECT ANSWER provide protection and collection area for water and insects, and also can be brightly colored to attract insect...
dicot flower parts-sepal - CORRECT ANSWER the original petals that protected the growing flower bud
dicot flower parts-petals - CORRECT ANSWER provide protection and collection area for water and
insects, and also can be brightly colored to attract insects
dicot flower parts-stamen - CORRECT ANSWER anther and filament
dicot flower parts-stigma - CORRECT ANSWER where the pollen collects on the plant
dicot flower parts-style - CORRECT ANSWER connects stigma to ovary, through which a pollen tube
grows
dicot flower parts-ovary - CORRECT ANSWER contains the eggs of the plant(single nuclei-containing
ovules), where the seed germinates
dicot flower parts-carpel - CORRECT ANSWER stigma, style, and ovary
pollination - CORRECT ANSWER the transfer of pollen from an anther to a stigma
plants develop mutualistic relationships with pollinators
stigma contain miniature hairs or sticky nectar to allow pollen grains to stick
structures of flowers adapt to their method of pollination
, external agents for pollination - CORRECT ANSWER wind, animals, water, insects, and gravity(self-
pollination)
mutualism in pollination - CORRECT ANSWER nectar is a source of energy
pollen is a source of protein
fertilization of flowering plants - CORRECT ANSWER pollen grains germinate on the stigma and pollen
tubes on the style carry the grains down to the ovary
the pollen tube delivers the male gametes to an ovule where they fuse with a female gamete
seeds - CORRECT ANSWER after fertilization, the ovule becomes a seed and the ovary grows into a fruit
containing many seeds
as the seed grows it stockpiles starch, oil, and protein in its endosperm
stockpile is later transferred to storage leaves of the embryo
seed dispersal - CORRECT ANSWER get removed with fruit so the new plant germinates in area where
it's not competing with parent
wind, water, fruit, animal droppings
dicot bean structure-testa - CORRECT ANSWER seed coat, protects the plant embryo and the cotyledon
food stores
dicot bean structure-micropyle - CORRECT ANSWER hole in the testa (from pollen tube fertilization)
through which water can enter the seed prior to germination
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