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- Reproduction (2286 bytes)
3: '''Reproduction''' is perhaps most commonly used in the context of [[biology|biological]] re...
5: ...usion of haploid gametes. Then it forms a diploid zygote.
10: ...uce few offspring. Others reproduce quickly, but unless raised in an artificial environment, most offs... - Ovary (3278 bytes)
7: ...us]] to [[testes]] in males. Most [[bird]]s have only one functioning ovary; [[snake]]s have two, one ...
9: ...egg resulting from union with a sperm becomes a [[zygote]] and then an [[embryo]] as it develops. - Biological life cycle (3738 bytes)
1: ...fertilization]]s of [[gamete]]s, resulting in a [[zygote]] (see [[Reproduction]]). To return to the haploi...
9: ... from these individuals or cells fuse to become a zygote.
11: ...ygotes are the only diploid cell; mitosis occurs only in the haploid phase.
22: ...r, the gametes would fuse and produce the diploid zygote with gametes of the opposite type.
24: ...metes are the only haploid cells; mitosis occurs only in the diploid phase. - Ploidy (4598 bytes)
8: ...ps and ants are also haploid. For organisms that only ever have one set of chromosomes, the term '''mo...
10: ...id sex cells that can combine to form a diploid [[zygote]], for example animals are primarily diploid but ...
16: ...cells and the other has diploid cells. Most commonly, the male is haploid and the female is diploid. ...
34: ...me copy number of 1 to 4, and that number is commonly fractional, counting portions of the chromosome ... - Animal (16429 bytes)
61: ...er non-motile [[ovum|ova]]. These fuse to form [[zygote]]s, which develop into new individuals.
65: A [[zygote]] initially develops into a hollow sphere, called...
78: ...ain germ layers, the ectoderm and endoderm, with only scattered cells between them. As such, these an... - Deuterostome (1974 bytes)
24: In both deuterostomes and protostomes, a zygote first develops into a hollow ball of cells, calle... - Animals (10378 bytes)
7: *Heterotrophic Nutrition: Unlike plants, animals cannot synthesize their own fo...
22: ...als undergo a series of developmental stages from zygote (fertilized egg) to adult form. This development ...
41: ...mal: As mentioned earlier, the blue whale is not only the largest animal but also the largest mammal. ... - Human (48024 bytes)
43: ...ace''. Until the [[20th century]], ''human'' was only used adjectivally ("pertaining to mankind"). Nom...
54: ...piens sapiens''. They are usually considered the only surviving species in the genus ''[[Homo (genus)|...
80: ...ng: XX means a girl, while XY means a boy. As the zygote grows through successive stages inside the female...
116: ...gene on the other X chromosome. But men are [[hemizygote|hemizygous]] for the blood-clotting gene since th...
124: ...in the animal kingdom. Certainly, humans are the only technologically advanced animal. Along with neur... - Embryo (1444 bytes)
7: ...he first [[cell division|division]] of the '''''[[zygote]]''''' (a fertilized [[ovum]]) until it becomes a... - Fern (7930 bytes)
21: # The fertilized gamete (diploid [[zygote]]) grows by cell division into a sporophyte (the ...
42: Two related groups of plants, commonly known as ferns, are actually more distantly rela... - Amniotic sac (3222 bytes)
9: The amnion grows and begins to fill, mainly with water, around two weeks after [[fertilisati...
11: ...aters are released when the amnion ruptures, commonly known as when a woman's "waters break" or "spont...
19: ...tus from one single [[zygote]] (monozygotic, commonly known as identical twins) is located within the ... - Moon Jelly (10363 bytes)
18: ...in 3% [[salinity]] water but are typically found only in water with 6% salinity (Russell, 1953).
21: ...from a different medusa to form a [[zygote]]. The zygote then turns into a [[blastula]], then [[gastrula]]...
23: ...s breaks off and forms an [[ephyra]]. The ephyra enlarges and matures to become the last stage, adult ...
104: ... Information. October 23, 2001. [http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi]
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