Campbell Biology Chapter 29 Flashcards

9024950909	Sporopollenin	layer that prevents exposed zygotes from drying out	0
9024950910	Alteration of generations	each generation gives rise to the other	1
9024950911	Gametophyte	production of haploid gametes (eggs and sperm) that fuse during fertilization	2
9024950912	Sporophyte	mitotic division of the zygote that produces a multi cellular diploid	3
9024950913	Spores	reproductive cells that can develop into a new haploid organism	4
9024950914	Embryophytes	Another name for land plants: multicellular dependent embryo of land plants	5
9024950915	Sporangia	Multicellular organs on the sporophyte	6
9024950916	Sporocytes	diploid cells, or spore mother cells that undergo meiosis and generate the haploid spores	7
9024950917	Gametangia	Multicellular organs where production of gametes occurs	8
9024950918	Archegonia	the female gametangia	9
9024950919	Antheridia	the male gametangia	10
9024950920	Apical meristems	located at the tips of roots and shoots, helps plant grow	11
9024950921	Cuticle	consists of wax, helps plant from drying out	12
9024950922	Stomata	specialized pores which support photosynthesis by allowing CO2 and 02 to enter and exit	13
9024950923	Vascular tissue	cells joined into tubes that transport water and nutrients throughout the plant body	14
9024950924	Nonvascular plants	plants that do not have an extensive transport system (ex. moss, liverworts, hornworts)	15
9024950925	Bryophytes	another name for nonvascular plants	16
9024950926	Hepatophyta	liverworts	17
9024950927	Bryophyta	mosses	18
9024950928	Anthocerophyta	hornworts	19
9024950929	Vascular plants	plants that have a complex vascular tissue	20
9024950930	Lycophytes	vascular plants, form clades, club mosses	21
9024950931	Monilophytes	vascular plants, form clades, ferns	22
9024950932	Seedless vascular plants	plants that lack clades	23
9024950933	Seed	embryo packaged with a supply of nutrients inside a protective coat	24
9024950934	Gymnosperm	"naked seed", absence of enclosed chambers	25
9024950935	Angiosperm	seed, presence of enclosed chambers	26
9024950936	Protonema	one-cell thick filaments that enhance absorption of water and minerals	27
9024950937	Gametophore	gamete producing structure	28
9024950938	Foot	absorbs nutrients from the gametophyte	29
9024950939	Seta	(stalk), moves materials to the sporangium	30
9024950940	Capsule	uses materials to produce spores by meiosis	31
9024950941	Peristome	tooth like structures that open under dry conditions	32
9024950942	Xylem	vascular tissue that conducts most of the water and minerals	33
9024950943	Tracheids	tube shaped cells that carry water and minerals up from the roots	34
9024950944	Lignin	polymer that strengthens cell wall	35
9024950945	Phloem	tissue that has cells arranged into tubes that distribute sugars	36
9024950946	Roots	organs that absorb water and nutrients from the soil	37
9024950947	Microphylls	small, spine-shaped leaves supported by a single strand of vascular tissue	38
9024950948	Megaphylls	leaves with highly branched vascular system	39
9024950949	pharagmoplast	group of microtubles that form between daughter nuclei of dividing cells	40
9024950950	placental transfer cells	enhance the transfer of nutrients from parent to embryo through elaborate ingrowths of wall surface	41
9024950951	pterophytes	ferns and other relatives	42
9024950952	grade	collection of organisms that share key biological features	43
9024950953	rhizoids	long, tubular single celled	44
9024950954	peat	partially decayed organic material	45
9024950955	leaves	increase the surface area and serve as photosynthetic organ	46
9024950956	sporophylls	modified leaves, bear sporangia	47
9024950957	sori	clusters of sporangia	48
9024950958	strobili	groups of sporophylls in cone like structures	49
9024950959	homosporous	one type of sporangium that produce one type of spore that develops into bisexual gametophyte	50
9024950960	heterosporous	two types of sporanga, produce two kinds of spores	51
9024950961	megaspores	develop into female gametophytes	52
9024950962	microspores	develop into male gametophytes	53