Lab 5

Name the Phylum Anthophyta

Name the structures A B C D E F G H A. Sepal B. Petal C. Anther D. Filament E. Stigma F. Style G. Ovary H. Ovule Name the whorl made up of sepals.Calyx Name the whorl made up of petals.Corolla Name the structure composed of the anther and filament.Stamen Name the structure composed of the stigma, style, ovary and ovule. Pistil Name the whorl composed of all stamens.Androecium Name the whorl composed of all the female parts of the flower.Gynoecium

A flower which contains all 4 whorls within the same flower can be referred to as both: Perfect and Complete

A flower lacking it’s androecium can be described as being both: Incomplete and Imperfect

Name the structures A. Egg B. Polar Nuclei C. Synergids D. 3 Antipodal Cells E. Pollen Tube F. Generative Nucleus G. Tube Nucleus H. Sperm Nuclei A. B. C. D. E. F. G. H. One of the sperm nuclei will fertilize the polar nuclei to become what? Triploid (3N) Endosperm What is the name of the opening through which the pollen tube grows prior to fertilization? Micropyle The process by which one haploid sperm fuses with the egg and one haploid sperm fuses with the polar nuclei to form the 3N endosperm is called: Double Fertilization

When you eat an apple, what type of fruit are you eating? (Hint: It doesn’t originate from ovary tissue.) Accessory

Fruit in which the pericarp is soft and juicy at maturity are called: Fleshy

Fruit which split open when ripe are referred to as: Dehiscent

Fruit in which the pericarp is dry, woody or papery at maturity is called: Dry Fruit

Name the layer of the pericarp indicated by the arrow: Mesocarp