Term
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Definition
| Reproductive shoots of angiosperm sporophytes with four whorls of modified leaves called floral organs |
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Term
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Definition
Sepals, petals, stamens, carpels
(Attached to part of the stem called receptacle) |
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Term
| 2 Reproductive Floral Organs |
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Definition
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Term
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Definition
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Definition
Stalk called the filament
Terminal structure - anther |
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Term
| What does the anther produce? |
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Definition
| Within the anther are microsporangia (pollen sacs) that produce pollen |
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Term
| What are the 3 parts of a carpel? |
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Definition
| Ovary (contains ovules), style, and stigma |
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Term
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Definition
| Sticky structure that captures pollen |
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Term
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Definition
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Term
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Definition
| Lacks one or more of the floral organs |
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Term
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Definition
| Microsporangia or pollen sacs |
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Term
| What is within microsporangia? |
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Definition
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Term
| What do microsporocytes form after mitosis? |
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Definition
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Term
| What are the 2 cells that make up a haploid male gametophye? |
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Definition
| Generative and tube cells |
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Term
| What are generative and tube cells together called? |
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Definition
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Term
| What is within the ovule? |
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Definition
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Term
| What are the 2 layers that protect the megasporangium called? |
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Definition
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Term
| What is the gap in the integuments called? |
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Definition
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Term
| What is the cell that undergoes meiosis within the megasporangium called? |
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Definition
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Term
| The megasporocyte divides into 4 haploid what after meiosis? |
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Definition
| Megaspores (only one survives) |
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Term
| How many haploid nuclei are in the megaspore after 3 rounds of mitosis? |
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Definition
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Term
| What are the 3 kinds of cells in the multicellular female gametophyte? |
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Definition
| Antipodal cells (3), polar nuclei (2), egg (1), synergids (2) |
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Term
| Together, what are those 8 cells callled? |
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Definition
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Term
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Definition
| Food storing tissue of the seed |
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Term
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Definition
| Union of 2 sperm cells with different nuclei of the female gametophyte |
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Term
| What is the purpose of double fertilization? |
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Definition
| Ensures that the endosperm develops only in ovules where the egg has been fertilized preventing wasted nutrients |
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Term
| What develops into the fruit? |
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Definition
| The ovule develops into a seed and the ovary develops into a fruit |
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Term
| What are the 2 cells after the first mitotic division of the zygote? |
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Definition
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Term
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Definition
| Below where the cotyledons attach, the embryonic axis |
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Term
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Definition
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Term
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Definition
| Above cotyledons attaching point, below mini leaves. Part of the embryonic axis |
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Term
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Definition
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Term
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Definition
| Protective sheath of grass seed, covers young shoot |
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Term
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Definition
| Protective sheath of grass seed, covers young root |
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Term
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Definition
| Uptake of water due to the low water potential of dry seeds |
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