Search results for "Fertilization" - New World Encyclopedia
From New World Encyclopedia
- contains enzymes that are crucial for fertilization. The sperm cell contains ... During fertilization, the sperm's mitochondria are destroyed ...13 KB (2,055 words) - 17:43, 14 October 2022
- It comes on the foundation of the fertilization of gametes and prepares ... is an embryo between the time of fertilization and the time that it ...8 KB (1,283 words) - 18:00, 13 February 2024
- develop in the absence of pollination/fertilization, a process known as parthenocarpy ... called a head is produced. After fertilization, each flower develops ...12 KB (1,838 words) - 09:21, 21 June 2021
- all the freshwater forms are hermaphroditic. Fertilization is usually external, although some species have both internal fertilization and live birth ...11 KB (1,500 words) - 04:29, 11 March 2023
- the child is conceived by in vitro fertilization using the wife's ... quot; surrogacy). Using in vitro fertilization (IVF), the intended parents ...15 KB (2,303 words) - 13:57, 28 April 2023
- In sexually reproducing organisms, fertilization of an ovum with a ... beings, approximately 4 days after fertilization and after several cycles ...10 KB (1,501 words) - 01:40, 13 January 2023
- begins about seven or eight weeks after fertilization, when the major structures ... human fetus, only eight weeks after fertilization and 1.2 inches in length ...27 KB (3,955 words) - 17:28, 26 March 2024
- of chromosomes to produce gametes; and fertilization, involving the fusion ... gametes, it also includes self-fertilization, whereby one organism ...31 KB (4,574 words) - 06:48, 5 October 2022
- mouth of the female jelly, allowing the fertilization process of the ova to ... After fertilization and initial growth, a larval form, called the ...13 KB (1,960 words) - 18:03, 2 April 2024
- of the flower is that of ensuring fertilization of the ovule and development ... egg (female gamete) and is the site of fertilization. (A single carpel or ...33 KB (5,220 words) - 01:41, 9 January 2023
- dispersed across the landscape. After fertilization, portions of the flower ... ===Preventing Self-fertilization=== Some flowers with both stamens ...22 KB (3,368 words) - 15:42, 21 January 2023
- into open water. Some sponges have oviparous fertilization where sperm and eggs meet in open water. In other species, sperm are taken into the bodies ...15 KB (2,195 words) - 18:05, 14 October 2022
- are released through the mouth for external fertilization or eggs may be retained for internal fertilization and embryos released through the mouth ...11 KB (1,481 words) - 01:56, 9 January 2023
- fourth millennium B.C.E. without artificial fertilization. == Problems == Since the construction of the Aswan Dam on the Nile in Egypt, 95 percent ...5 KB (763 words) - 08:15, 23 July 2023
- antheridia swim to the archegonia and fertilization occurs, leading to the ... the need to go through the cycle of fertilization. This is a means of asexual ...21 KB (3,181 words) - 01:43, 11 March 2023
- == Soil fertilization == Soil Fertilization or Crop Fertilization are methods of improving ...33 KB (4,735 words) - 17:28, 26 March 2024
- In marine mussels, fertilization occurs outside the body, and there ... female via the incurrent siphon. After fertilization, the eggs develop into ...14 KB (2,096 words) - 02:38, 11 March 2023
- unit and produces eggs either by self-fertilization or cross-fertilization with other mature proglottids. It has been suggested by some early ...15 KB (2,136 words) - 00:46, 21 April 2023
- ===Soil and fertilization=== Opinions about soil mixes and fertilization vary widely among practitioners ...25 KB (3,891 words) - 07:23, 17 November 2023
- Fertilization leads to the formation of a zygote. During the next stage, cleavage, mitotic cell divisions transform the zygote into a tiny ball ...10 KB (1,511 words) - 18:03, 28 August 2021
- derived from the parent plant via double fertilization. The usually triploid endosperm (containing three sets of chromosomes) is rich in oil or starch ...9 KB (1,464 words) - 02:24, 30 September 2022
- eggs and sperm into the water for external fertilization. In some, eggs develop into free-swimming larvae that look very similar to echinoderm larvae ...9 KB (1,371 words) - 06:14, 22 January 2024
- Fertilization may take place in the pouch or before implantation in ... into the surrounding sea water during fertilization, and not directly into ...26 KB (3,800 words) - 02:43, 21 April 2023
- or appreciated. This musical cross-fertilization would become a hallmark of much of his professional life. ==Biography== Grainger was born in ...9 KB (1,396 words) - 00:35, 24 November 2022
- which stimulates females to release eggs, and fertilization occurs. The eggs or sperm are ejected through the mouth. The fertilized egg develops into ...10 KB (1,555 words) - 02:38, 21 April 2023
- Category:Politics and social sciences Category:Law Family law is an area of the law that deals with family-related issues and domestic relations ...12 KB (1,794 words) - 00:38, 25 March 2024
- from the antheridia swim to the archegonia and fertilization occurs, leading to the production of a diploid sporophyte. After fertilization, the immature ...21 KB (3,070 words) - 11:11, 9 March 2023
- The repercussions of self-fertilization in sharks, which reduces the genetic diversity of the offspring, is a matter of concern for shark experts ...11 KB (1,587 words) - 08:54, 18 November 2022
- that themselves are necessary for fertilization of the pumpkins. For ... honeybees play a significant role in fertilization (Orzolek et al. 2000 ...20 KB (2,919 words) - 14:19, 2 July 2022
- and released into the aquatic environment. Fertilization in sipunculans is external. Once male and female matured gametes meet, a trochopore larva ...11 KB (1,484 words) - 22:57, 23 April 2023
- eggs and sperm into the water, with fertilization taking place externally. ==Regeneration== Many echinoderms have remarkable powers of regeneration. ...11 KB (1,553 words) - 17:27, 11 October 2020
- The fertilization of ginkgo seeds occurs via motile sperm, as in cycads, ferns, mosses, and algae. The sperm are large (about 250-300 micrometers ...22 KB (3,334 words) - 07:46, 24 January 2023
- to the sperm of other species prevent fertilization or embryo development. ... Wider interspecific hybrids can be made via in vitro fertilization ...30 KB (4,469 words) - 21:31, 9 February 2024
- an ovum surrounded by a special envelope, the fertilization membrane; the ovum is supplied with nutrients by the surrounding syncytium, allowing energy ...38 KB (5,754 words) - 16:47, 2 May 2023
- strategy by females to enhance fertilization while obtaining sustenance. Later, this bizarre behavior appeared to be an artifact of intrusive ...13 KB (1,970 words) - 11:08, 9 March 2023
- Gonorrhea is a common, highly contagious, sexually transmitted diseases (STD) that is caused by the Gram-negative bacterium Neisseria gonorrhoeae ...15 KB (2,205 words) - 11:56, 24 January 2023
- Herring is the common name for any of the various fish comprising the Clupeiformes family Clupeidae, a large family that includes many of the ...15 KB (2,224 words) - 22:35, 1 January 2023
- Quinoa ( ˈkinwɑ KEEN-wah or /ˈkinoʊə/ KEE-no-uh, Spanish quinua) is a tall South American herb, Chenopodium quinoa in the goosefoot genus ...14 KB (2,175 words) - 15:58, 7 December 2022
- Snails have small slits on their necks where fertilization occurs and the eggs develop. Garden snails bury their eggs in shallow topsoil primarily ...16 KB (2,467 words) - 15:00, 27 April 2023
- society with free mixing and mingling and cross-fertilization. Erskine (2005), 362. While relatively little is known about how the Bosporan Kingdom ...15 KB (2,433 words) - 19:50, 20 November 2023
- believed to help sperm motility, and thus, fertilization of an egg, because sperm are more mobile in relatively alkaline medium. This secretion counters ...18 KB (2,577 words) - 08:14, 2 December 2022
- starfish being male or female. Fertilization takes place externally, with both male and female releasing their gametes into the environment ...17 KB (2,546 words) - 04:39, 28 April 2023
- parent. When a male and a female gamete merge (fertilization), a new diploid organism is formed. Some animal and plant species are polyploid ...15 KB (2,079 words) - 00:18, 14 January 2023
- [[Image:EHR-BBII.jpg|thumb|right|300px|At 21 days after [[Fertilization|conception]], the human heart begins beating at 70 to 80 beats per minute ...17 KB (2,703 words) - 15:12, 25 January 2023
- legal in every country. Access to in vitro fertilization (IVF) treatments is also the subject of debate in many countries. ==Notes== ...16 KB (2,335 words) - 00:47, 7 March 2023
- research, he wrote a paper on artificial fertilization to improve the quality of the plants. During this time his family increased to four daughters and ...17 KB (2,719 words) - 23:29, 17 May 2023
- the eggs in the mantle cavity but after fertilization the eggs develop into crawl-away young (Lindberg 2004). Limpets can be long lived, with ...20 KB (2,800 words) - 08:45, 8 March 2023
- Broadly defined, wasp is any insect of the order Hymenoptera and suborder Apocrita that is not a bee or ant. This includes more than 20,000 known ...19 KB (2,999 words) - 23:13, 3 May 2023
- and others. There has, however, been much cross-fertilization of ideas between the various computer-related disciplines. In addition, computer ...20 KB (2,897 words) - 02:35, 8 January 2024
- apogamy) is asexual reproduction, without fertilization. Apomictically produced seeds are genetically identical to the parent plant. As apomictic plants ...19 KB (2,739 words) - 18:11, 31 October 2023
