Web1 hour ago · Chickens can acquire bacteria at different stages, and bacterial diversity can occur due to production practices, diet, and environment. The changes in consumer trends have led to increased animal production, and chicken meat is one of the most consumed meats. To ensure high levels of production, antimicrobials have been used in livestock for … WebJun 30, 2012 · how many eggs are present in an embryo sac? Share with your friends. Share 0. please answer these questions soon!!!!!-1 ; View Full Answer female gametophyte are 7-celled and 8-nucleate. 3 antipodals. 2 synergids. 1 egg cell. 2 polar nuclei enclosed in one cell wall therefore 7 celled. ...
Insect reproductive system - Wikipedia
WebAnswer: Female gametophytes, or embryo sacs, are oval structures that are found in the ovules of flowering plants. Embryo Sacs contain only one egg in each. Embryo sacs are found in each ovule, and each has one. Each ovary contains a different number of ovules, and this varies from plant to plant. For example, maize […] WebA blighted ovum, or anembryonic pregnancy, is when a fertilized egg implants in the uterine lining but does not grow into an embryo. The gestational sac and placenta will grow, but … fluchtplan asr
Embryo Sac - an overview ScienceDirect Topics
WebAug 14, 2024 · An embryo sac is said to form when the haploid megaspore nucleus divides. It possesses two haploid nuclei and six haploid cells which do not have cell walls. In some cases, the haploid nuclei combine forming a single cell (endosperm motor cell). Webgametophyte of angiosperms (called the embryo sac) is tiny and contains only a few (typically eight) nuclei; the cytoplasm associated more or less directly with these nuclei is … WebFeb 6, 2024 · In general, you can expect fish eggs to appear small and mostly translucent. Many species of egg-laying fish don’t possess graphical features on their shells (like stripes or spots), so the plain glassy appearance is often just about the only thing telling them apart from harmful bits of debris or leftover food particles in your tank. fluchtplan2023 youtube