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- Reproduction (2286 bytes)
5: ...usion of haploid gametes. Then it forms a diploid zygote.
6: ...n are [[binary fission]], [[fragmentation Biology|fragmentation]] and [[spore formation]].
10: ...ears) produces 50, and a [[Drosophila melanogster|fruit fly]] (10–14 days) produces up to 900. B... - Ovary (3278 bytes)
7: ...ne functioning ovary; [[snake]]s have two, one in front of the other.
9: ...egg resulting from union with a sperm becomes a [[zygote]] and then an [[embryo]] as it develops.
11: [[image:female_anatomy_frontal.png|right|thumb|250px|Internal reproductive ...
15: ...gnancy]] will result. If the egg fails to release from the follicle in the ovary an [[ovarian cyst]] m...
21: ...ter [[pollination]], the ovary will grow into the fruit, while the ovule(s) become the seed(s). Some w... - 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: In the whole cycle, zygotes are the only diploid cell; mitosis occurs only i...
22: ...r, the gametes would fuse and produce the diploid zygote with gametes of the opposite type. - Ploidy (4598 bytes)
1: ...ls are diploid (containing one set of chromosomes from each parent), though sex cells ([[sperm]] and [...
10: ...id sex cells that can combine to form a diploid [[zygote]], for example animals are primarily diploid but ...
13: ...mosomes), usually one from the [[mother]] and one from the [[father]]. Most [[somatic cell|somatic cel...
16: ...from unfertilized eggs, while the female develops from fertilized eggs: the sperm provides a second se...
18: Haplodiploidy is found in many species of insects from the order [[Hymenoptera]], particularly [[ant]]... - Animal (16429 bytes)
51: ... which ''animalia'' is the plural, and ultimately from ''anima'', meaning vital breath or soul.
57: ...During development it forms a relatively flexible framework upon which cells can move about and be reo...
61: ...er non-motile [[ovum|ova]]. These fuse to form [[zygote]]s, which develop into new individuals.
63: ...produced without mating, or in some cases through fragmentation.
65: A [[zygote]] initially develops into a hollow sphere, called... - Deuterostome (1974 bytes)
14: ...rostomes''' (taxonomic term: '''Deuterostomia'''; from the Greek: "other mouth") are a [[taxon]] of [[...
24: ... a complete small larva, and if a cell is removed from the blastula the other cells will compensate. - Animals (10378 bytes)
2: ...acteristics that define them and distinguish them from other life forms. Animals are divided into vari...
8: ... respond to their environment. This system ranges from simple nerve nets in cnidarians (jellyfish, for...
10: ...exual reproduction involves the fusion of gametes from two individuals, leading to genetic diversity.
11: ...ack cell walls, a feature that distinguishes them from plants and fungi. They have a more flexible cel...
18: ...During development it forms a relatively flexible framework upon which cells can move about and be reo... - Human (48024 bytes)
24: Humans have an erect body carriage that frees the upper limbs for manipulating objects, a hi...
30: ... [[state]]s down to [[Family|families]], and also from the [[community]] to the [[self]]. Seeking to [...
54: ...species of [[chimpanzee]]s should be reclassified from ''[[Pan troglodytes]]'' and ''[[Pan paniscus]]'...
56: ...had]] and seems to indicate an earlier divergence from the ape lineage.
58: ... genome is significantly affected by assimilation from archaic humans (i.e., 80% of loci may have some... - Embryo (1444 bytes)
1: ...0px|Embryos (and one [[tadpole]]) of the wrinkled frog (''Rana rugosa'').]]
5: ...ins to [[Germination|germinate]] — grow out from the seed — it is called a '''seedling'''.
7: ...hildbirth|birth]] or hatching. In humans, this is from the eighth week of [[gestation]]. - Fern (7930 bytes)
2: ...g|240px]] | caption = A tree fern unrolling a new frond}}
13: ...an [[alternation of generations]]. New sporophyte fronds typically arise by ''[[Vernation|circinate ve...
21: # The fertilized gamete (diploid [[zygote]]) grows by cell division into a sporophyte (the ...
26: * [[Frond]] ("fern [[leaf]]"): [[green]], [[photosynthes...
42: ...gether constitute a monophyletic group, descended from a common ancestor. - Amniotic sac (3222 bytes)
7: ...s within the amnion. It allows the fetus to move freely without the walls of the [[uterus]] being too...
19: ...heir own chorion ('''dichorionic'''). Dizygotic (fraternal, non-identical) twins each have their own ...
21: ...y. In rare cases, blood passes disproportionately from one twin to the other through connecting blood ... - Moon Jelly (10363 bytes)
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21: ...from a different medusa to form a [[zygote]]. The zygote then turns into a [[blastula]], then [[gastrula]]...
25: From mid July to October is when the growth of ''A. ...
29: ...ains its presence worldwide. Medusae appear more frequently in shallow water that is open to the ocea...
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