Abeka Biology Chp 3
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Sepals | The leaf like structures attached to the edge of the receptacle.
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| petals | The most conspicuous part of the flower.
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| corolla | Name when the petals are collected together. Some petals can be fused together to form 1 trumpet like structure.
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| stamen | Organs within the corolla that produce pollen.
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| filament | A slender, elongated stalk.
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| anther | Is the enlarged structure at the tip of the filament that produces pollen.
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| pollen | Tiny grains that consist of male reproductive cells with its own definite shape and size.
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| What is the purpose for Sepals? | To enclose & protect the flower's petals.
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| How do petals play an important role in pollination? | They attract insects with their showy colors & sweet nectar.
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| Name 2 parts of Stamen. | Filament & anther.
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| Pollen contains what reproductive cells? | Male reproductive cells called sperm.
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| Pistil | The elongated, vase shaped structure of a flower.
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| Name the 3 parts of the Pistil. | Stigma, style, and ovary.
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| Ovary | Swollen section located at the base of pistil. Holds the Ovules.
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| Ovules | Future seeds which contain the female reproductive cells known as egg cells. When fertilized, they develop into seeds.
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| Stigma | Top of pistil that is sticky and receives the pollen grains at pollination.
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| style | The stalklike structure that connects the ovary to the tip of the pistil.
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| bracts | Special leaves that appear to be its petals.
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| inflorescences | Plants that bear their flowers in clusters.
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| photoperiodism | Phenomenon where plants require a definite period of light and dark before they will produce flowers.
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| fruit | When ovary is fully ripened.
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| pollination | A process when pollen reaches the pistil to fuse with the ovules in the ovary.
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| hybrid | Cross-pollination between plants belonging to different species of the same plant.
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| nectar | A sweet tasting, watery liquid produced by plants.
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| fertilization | When ovules begin developing into seeds due to the sperm cell fusing with the egg cell.
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| sexual reproduction | The type of reproduction which sperm & egg unite.
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| legume | Simple fruit that consist of a pod enclosing several seeds.
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| bran | In wheat, a shell-like fruit covering.
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| chaff | Outer most layer of wheat. Covers the bran.
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| germination | Sprouting of a seed.
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| dormancy | When a plant stops growing for a period of time..
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| ednosperm | Makes up 85% of wheat kernel and is the part used in making white flour.
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| Primary purpose of flowers to a plant? | To produce seeds for reproduction.
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| Another name for a flower stalk? | Pedicel
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| Chief factor affecting when most plants flower. | The length of daylight and night.
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| Eight groups of simple fruits. | Berries, drupes, pomes, legumes, samaras, nuts, grains, achenes
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| Five important cereal grains | Barley, oats, rye, corn, rice
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| Four parts of a wheat kernel | Husk, bran, endosperm, germ
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| Three main parts of a seed | embryo plant, endosperm, & seed coat
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| Three parts of embryo | Plumule, radicle, cotyledon(s)
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| Five factors that favor seed germination | the amount of moisture available, amount of oxygen available, temperature, soil conditions, amount of sunlight available.
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