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Lab 10 vocab

Across
Opening in the integument
Sperm cells contained as part of the microgametophyte in the pollen grain, are delivered inside the ovule... what process is this?
Extends out of the out of the pollen grain when it arrives inside the ovule
Attached to the microsporophyll on the lower side, aka pollen sacs
A few layers of thick-walled, compactly arranged cells beneath the epidermis. Reduces water loss
Attached to cone axis and contains two ovules
Surrounds vascular bundles. adaptations for coping with water stress
Male strobili
Developed from the megaspore, enclosed within the ovule and is attached to the sporophyte
Modified leaves that bear sporangia aka cone scales
Tube-like cavities that are lined on the inside with thin cells that secrete resin
Down
Protective cover around the megasporangium
Aka pollen grain these are produced during meiosis
Thin and flat cells in the pollen grain and are the only remnants of the microgametophytes vegetative body.
Aka nucellus;
Develops from the microspore. contained inside the pollen grain
Generates a zygote from the fusion of a sperm cell and an egg
Individual sporophytes that are either male or female
Integument+megasporangium
Ovule containing the sporophyte embyro