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IB Biology Plants Study Guide Test.

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  • Course
  • Ib biology
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  • Ib Biology

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...

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  • September 20, 2024
  • 9
  • 2024/2025
  • Exam (elaborations)
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  • Ib biology
  • Ib biology
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Nursewendo
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 insects



dicot flower parts-anther - CORRECT ANSWER creates pollen (male gametes)



dicot flower parts-filament - CORRECT ANSWER supports anther



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-radicle - CORRECT ANSWER embryonic root



dicot bean structure-plumule - CORRECT ANSWER embryonic stem



dicot bean structure-cotyledons - CORRECT ANSWER two, contain food stores for seed



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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