AP Bio Chapter 29 Vocabulary(Plant diversity part 1)

46406669	Sporopollenin	a layer of durable polymer that prevents exposed zygotes from drying out
46406670	alternation of generation	the life cycle that switches from haploid multicellular organisms to diploid multicellular organisms
46406994	gametophytes	multicellular haploid organisms
46406995	sporophytes	multicellular diploid organisms
46406996	spores	reproductive cells that can develop into a gametophyte
46406997	placental transfer cells	enhance the transfer of nutrients from parent to embryo through elaborate ingrowths of the wall surface
46406998	embryophytes	dependent embryo of land plants, derived traits that land plants are also known as...
46406999	sporangia	a sporophyte's multicellular organs that produces spores
46407000	sporocytes	diploid cells, or spore mother, produced in the sporangia
46407001	gametangia	multicellular organs that produce gametes
46407002	archegonia	female gametangia
46407003	antheridia	male gametangia
46407004	apical meristems	growth in length is sustained by the activity of________.
46407005	cuticle	consists of polyester and wax polymers,the covering of an epidermis
46407006	vascular tissue	cells jointed into tubes that transport water and nutrients throughout the plant body
46407007	vascular plants	plants that contain an extensive transport system
46407008	bryophytes	informally named nonvascular plants
46407009	grade	a collection of organisms that share a common level of biological organization or adaptation
46419939	foot	absorbs nutrients from the gametophyte
46419940	seta	conducts the nutrients from the gametophytes to the sporangium
46419941	peristome	The upper part of the sporangium often specialized for gradual spore discharge
46419942	stomata	pores that support photosynthesis by allowing the excahnge pf carbon dioxide and oxygen between the outside air and the sporophyte interior
46419943	Xylem	vascular tissue that conducts most of the water and minerals
46419944	tracheids	tube-shaped cells that carry water and minerals up from roots
46419945	lignin	substance in vascular plants that makes cell walls rigid
46419946	phloem	tissue that has cells arranged into tubes that distribute sugars, amino acids, and other organic products
46419947	microphylls	small, usually spine-shaped leaves supported by a single strand of vascular tissue
46419948	megaphylla	leaves w/ a highly branched vascular systems
46419949	sporophylls	modified leaves that bear sporangia
46419950	sori	clusters of sporangia that are usually on the undersides of sporophylls
46419951	strobili	a group of sporophylls that form cone-like structure
46419952	homosporous	produce one type of spore, which usually develop into a bisexual gametophyte
46419953	heterosporous	species that has two types of sporangia and produce two kinds of spores
46419954	megaspores	spores that develop into female gametophytes
46419955	microspores	spores that develop into male gametophyes