胚珠示意图
![胚珠的结构](https://imgs.wantubizhi.com/img/A1A61BAA66193547F3A6DD7D8EE527E90ED1C36A65620B8BA9A48EF29E4055E25B93A48F49BDE2754ACE705DBAA157C75716BA39DF0836F97AD0712EAB21764D28C810AAC0439420E618B857DDA78481545AEBC608120F1706989A407ADC5E4D)
胚珠的结构
图片尺寸1080x810![倒生胚珠 直生胚珠 半倒生胚珠](https://imgs.wantubizhi.com/img/A1A61BAA66193547F3A6DD7D8EE527E91F05833ED50A28434D9EEA919BED7C732D20611379474B8994719BA66B82487D445160A1AD9F139911CBEC2CE7788B7A5E06E058FFAC94DC842100E4C945DA95358DFA5233FDF06A11676E595B57729B)
倒生胚珠 直生胚珠 半倒生胚珠
图片尺寸1080x810![胚珠示意图](https://imgs.wantubizhi.com/img/735A5D1F980B52A636CC46F12F2D1A73BEFF69DF1124A5F516CED31D260A89EF867002FBF423A89006FBAD32933FA9D70757945AC18E2A0E0CB19A033EEBD5B95020E243FB746AEC02AF2567D83DF0F7626AD3C4C7395D877F82DCCAD9DAAE43)
胚珠示意图
图片尺寸405x267![胚珠的结构和类型](https://imgs.wantubizhi.com/img/735A5D1F980B52A636CC46F12F2D1A73474495073E4A99D135C66697F79954A1FEBD5493420D5954FCCA46C0133D033975FD636DB083D0C0821D1C48121AAEB65B64A66BAF0533BCA50A1F7F96DB57881324A9ADD993BC4788D0A59D5DDB6167)
胚珠的结构和类型
图片尺寸896x1063![20202021学年人教版八年级生物下册711植物的生殖课件22张ppt](https://imgs.wantubizhi.com/img/ADDA3C5D760C6828B77B505A29D43E83B7B08714DB80712E5DAAEDE08B0DE04AB992D2BB9DB7C619A9263E16B46619A1D1555B105717BDB5DF3A1345D8CA4B4EEA425752D26910EB8807FC9E35783B661FCA2244E357AEC367546C6E990DA1A8)
20202021学年人教版八年级生物下册711植物的生殖课件22张ppt
图片尺寸860x645![胚珠](https://imgs.wantubizhi.com/img/A1A61BAA66193547F3A6DD7D8EE527E916B715AAF3CD7BC3D75962334F5B04E946D18FB139B83F79B072B38BAA0857162DD9E43A9759368F81DFD5417FAE171A8BF1C7A3DA6B590C940576958D2C5D3A4A548068D89E52B2E03364E2DA81F874)
胚珠
图片尺寸1080x810![雌蕊模式图 珠孔 卵细胞 极核 珠被 子房壁 胚珠](https://imgs.wantubizhi.com/img/ADDA3C5D760C6828B77B505A29D43E831A6C70DDDF1616B60A89D7DE856357C3D4EDFDC535207B4D66F3D61F41F44BFA998F09DCC10D6D84A7BA02886E615C3823FCC9DDBA0A63F5E8DEC8C36B3C6EB9110071306A22E9FD9AE43DE2837699BE)
雌蕊模式图 珠孔 卵细胞 极核 珠被 子房壁 胚珠
图片尺寸1080x810![新人教版七年级生物上册教学设计优质课件 子房及胚珠的结构 胚珠](https://imgs.wantubizhi.com/img/ADDA3C5D760C6828B77B505A29D43E8329E83AD523D1282DE528AFE70CD707F0590954EF7B5944CC5FA8A9967601E1F25428DEC63D49BAD02AC68F6F1EB75B1FDD57416F47DC70C92C81AF25D2CD677A25A18DA67013E2D94416AD594764EE2E)
新人教版七年级生物上册教学设计优质课件 子房及胚珠的结构 胚珠
图片尺寸1080x810![胚珠由什么组成?子房和胚珠的区别?](https://imgs.wantubizhi.com/img/A1A61BAA66193547F3A6DD7D8EE527E9B0C50748E4FA49676ACABFC9447F9CBD340ECD81CF6125867EFA2FAD09042071E14933057C9C705A7DC2301A76A05BD3A741D5D58B22B02CB05D7FF057922CA8A8EF7B5B9A80AF379221708FDE5B7A47)
胚珠由什么组成?子房和胚珠的区别?
图片尺寸1050x424![心 中央细胞 卵细胞 助细胞 珠被 蛛孔 珠柄 胎座 胚珠与胚囊发育过程](https://imgs.wantubizhi.com/img/ADDA3C5D760C6828B77B505A29D43E8324283B006042056676FBC60D0CF806C79FB93FBB849A07F549616A85D5803312A0F7C91A63434D42ECB619E64C7E74734B7D3E2AB65C0023E8D8CD09FEF29E4089A6B40E4E92297105456FEAEDF83E58)
心 中央细胞 卵细胞 助细胞 珠被 蛛孔 珠柄 胎座 胚珠与胚囊发育过程
图片尺寸1080x810![生物课件 花发育成果实和种子 (胚珠) 种皮 果实 (珠被) (子房) 果皮](https://imgs.wantubizhi.com/img/A1A61BAA66193547F3A6DD7D8EE527E9E031127E5908185F0C539D678EF761EE08E1C1EEADF0D47247ECDEDF791A6BC2F3D12E88848B3F26035B9E17DC6509654A2E3CB9A4292ADCDFD3C46D5866855D4873C3BFE923D1C2FF5FC67292135B8F)
生物课件 花发育成果实和种子 (胚珠) 种皮 果实 (珠被) (子房) 果皮
图片尺寸1080x810![胚珠类型](https://imgs.wantubizhi.com/img/735A5D1F980B52A636CC46F12F2D1A73DA51547689145D72A40B5F04FDD8EA9BFBDD1D81D4F42BD0C370D962EC8470089F5DCE4E721802B11AEE86C7C46EF394A93BE7D9FAFA95B908510916AD9A07F1E33FD17CFF140AB82D9356C981281B0A)
胚珠类型
图片尺寸500x400![人教版生物八年级下册711植物的生殖课件共17张ppt](https://imgs.wantubizhi.com/img/735A5D1F980B52A636CC46F12F2D1A7314C94CF01C2349CE8770F46A1743C6CF060882CE0D5DDA542FA5D704F6E26480AB7E59BD802D845019615B4BEDDE7BC65D6786DF24F37710DAB750399144FA5B977718C34D7C3255C5C5E3A1D023770A)
人教版生物八年级下册711植物的生殖课件共17张ppt
图片尺寸720x540![胚珠](https://imgs.wantubizhi.com/img/735A5D1F980B52A636CC46F12F2D1A736D09BFFAB93DF01EDD10FB80B14939AF47DEDF30C9E2A9FAC392390D211116F6D2E7736D8FBAA8DA581A993F27411BCD3F5A4A32FB7CFF5226F2B72F8E7194B742C01EA7030C9C2C3BE9325C009D38A2)
胚珠
图片尺寸850x1053![七年级生物上册 种子植物课件 人教新课标版ppt](https://imgs.wantubizhi.com/img/ADDA3C5D760C6828B77B505A29D43E835DFBC4D520253E84AB55DEB8D28DF8AC3C86090724D676B03F3A41BD808A90B3D5B5876A88AE3D64357D40A832209BAA17407A6527738BC77F6B02358D977D8E2A3953139ED62AA240D5633C4B0968B7)
七年级生物上册 种子植物课件 人教新课标版ppt
图片尺寸1080x810![成熟胚囊期的胚珠结构模式图.](https://imgs.wantubizhi.com/img/A1A61BAA66193547F3A6DD7D8EE527E96572FB63271E886E1076E2F47BD3AFCB4C1E186D8B7480B87693BDA9F3FB0B0A32DE544994ACA9A0E6F827C08162A049BCC6A4101990E674EE7DBA3EFB2E90631C48DB117DAC6B38AE9E4E44C4615781)
成熟胚囊期的胚珠结构模式图.
图片尺寸455x277![子房 胚珠](https://imgs.wantubizhi.com/img/ADDA3C5D760C6828B77B505A29D43E83F08153B1DA4FF505B12616690A4E83A9EFE6D3A33540B35E8A12F726946E8511C53D85265AEA311413F35820910F61E9FA10593B14593AAED7E9B115F7138690C814C17487291D66C2C5984FCC29B17A)
子房 胚珠
图片尺寸1080x810![《植物学》12-第五节 胚珠的发育及胚囊的形成.ppt](https://imgs.wantubizhi.com/img/A1A61BAA66193547F3A6DD7D8EE527E9902E1876C3FC4D24A631F4A48DCF7C932129188CF8DCA587037C9134502D2B6C623FD97A2AA2BC396F03ACA97B1C5378614EAD8EB994D25DF17E46D55A8CEA71F80936B51CF881B9987F7D49A43551C9)
《植物学》12-第五节 胚珠的发育及胚囊的形成.ppt
图片尺寸1200x900![1.1植物的生殖课件ppt](https://imgs.wantubizhi.com/img/735A5D1F980B52A636CC46F12F2D1A734D0C76A8381180E5BFB9694A44B980F6F987419BAC3ABD53A35835592A63A3AA4E4DF210C27056609C64E566A95EFDAA31F088AACE3F8F3EBE283DA3788FDCC07A39AF45952DCD99EA55CB7A7ACAB88D)
1.1植物的生殖课件ppt
图片尺寸1080x810![这是胚珠结构](https://imgs.wantubizhi.com/img/735A5D1F980B52A636CC46F12F2D1A73E4370A234D733F719CE0B9357AA639C323759D9AEBB36BD71C4B40E4EEF089306791A80B99973A3EFE35B743A9262533896063617E810A70831B466555C56E7CC024F4002017F9E5C6EE219870F2FB12)
这是胚珠结构
图片尺寸500x260