Module 15 Module Summary Part 2 (#12 - 16)
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12.  The anther contains pollen sacs which produce ____________.  ______ cells in the pollen sacs go through _______ to produce four ______ cells.  Those cells each go through ______ to produce a total of eight haploid cells.  The cells are encased in four shells, and they differentiate into a ____________ and a __________.  In some plants, the sperm cell undergoes mitosis so that there are two sperm cells. *
13.  In the _______, which is inside the ovary, a ________ cell undergoes __________ to produce four __________ cells, three of which are __________ and die.  The remaining cell, called the _________, undergoes __________ without cell division three times to make eight ________ nuclei.  Cell division then occurs, producing six small __________ cells and one large cell with ____________ nuclei. *
14.  To reproduce, a flower releases its ____________.  They travel to another flower by wind, insects, or birds and land on the ________ of the carpel.  The ____________ then digs a ___________ through the style to the ovary.  If there was only one sperm cell in the pollen grain, it undergoes _________ to make two.  Both sperm cells enter the ovule.  One fertilizes one of the ________________ cells, and the other fertilizes the __________________________.  The former produces the zygote, and the latter produces the ____________, which becomes the nutrient source for the developing plant embryo.  This process, called ___________________________, is unique to kingdom Plantae. *
15.  When a seed is mature, it has either one or two ____________, which makes the plant a monocot or dicot.  In some seeds, the ____________ consumes the ____________ and becomes the food source for the embryo.  In other seeds, it simply transfers nutrients from the ____________ to the embryo.  The ovary then ripens into a _________ that encases the seed *
16.  When the seed germinates, the __________ is the first to emerge, and it becomes the roots of the plant.  The __________ develops into the stem, and the first true leaves of the plant develop from the ____________.  In some plants, the first leaves are not true leaves, but are “seed leaves,” which are the ________.  Some _________ actually perform photosynthesis for a while until the true leaves develop. *
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