Ap Bio 1982 Essay

AP Bio 1982:Brendan Ramos In the life cycle of a fern and a unfolding go under, compare and contrast each of the following: A. The gametophyte generation B. spermatozoan cell transport and fertilization C. conceptus protection A. Small multi carrellular virile and female gametophytes are produced within the flower of the sporophyte in peak plants. The gameteophyte of a fern consists of a free living distinct plant called the prothallus on which buildings called archegonia and antheridia produce eggs and spermatozoan respectively. Gametes are produced by both these gametophytes. A. GAMETOPHYTE GENERATION I. FERN * Haploid * Reduced in counterpart to sporophyte * Characterized as a heart-shaped prothallus * Eggs formed in archegonia * Sperm formed in antheridia * exposit of archegonial structure * Details of antheridial structure * Gametophyte is photosynthetic; has rhizoids for anchoring and water submerging II.

FLOWERING PLANT * Male (micro)gametophyte (or pollen molecule is immature microgametophyte) * womanish (mega)gametophyte or embryo sac * Structure of microgametophyte commonly 2 cells, a tube and a generative cell (sometimes identify as a tube cell and two sperm nuclei) * Structure of megagametophyte is 7 cells with 8 nuclei * Both gametophytes nutritionally qualified on the sporophyte * Haploid * Gametophyte develops usually from one type of spore in ferns (homospory), * While in the flowering plnats each gametophyte develops from a unalike type * Of spore (heterospory). B. SPERM TRANSPORT...I! f you want to get a unspoilt essay, order it on our website: OrderCustomPaper.com

If you want to get a full essay, visit our page: write my paper