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1. Reproduction (2286 bytes)
   5: ...usion of haploid gametes. Then it forms a diploid zygote.
   10: ...[[Drosophila melanogster|fruit fly]] (10–14 days) produces up to 900. Both strategies can be fav...
2. Ovary (3278 bytes)
   9: ...egg resulting from union with a sperm becomes a [[zygote]] and then an [[embryo]] as it develops.
   13: ...in the physical changes of puberty and the [[secondary sex characteristics]]. They support maturation ...
3. 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.
4. Ploidy (4598 bytes)
   10: ...id sex cells that can combine to form a diploid [[zygote]], for example animals are primarily diploid but ...
5. Animal (16429 bytes)
   10: [[Cnidaria]]<br>
   14: &nbsp;[[Orthonectida]]<br>
   18: &nbsp;&nbsp;&nbsp;&nbsp;[[Chordate|Chordata]] (vertebrates, etc.)<br>
   19: &nbsp;&nbsp;&nbsp;&nbsp;[[Hemichordata]] (acorn worms)<br>
   25: &nbsp;&nbsp;&nbsp;&nbsp;[[Priapulida]]<br>
6. Deuterostome (1974 bytes)
   10: * [[Hemichordata]]
   11: * [[Chordata]]
   18: * Phylum [[Chordata]] ([[vertebrate]]s and their kin)
   20: * Phylum [[Hemichordata]] (acorn worms)
   24: In both deuterostomes and protostomes, a zygote first develops into a hollow ball of cells, calle...
7. Animals (10378 bytes)
   8: .... This system ranges from simple nerve nets in cnidarians (jellyfish, for instance) to complex brains ...
   22: ...ity of mechanisms and strategies, reflecting the adaptability of life to various environments and evol...
   24: ...small, simple organism belonging to the phylum Cnidaria. Hydra predominantly reproduces asexually thro...
   27: ...gnificant majority of the species, making Arthropoda the most diverse and numerous phylum in the anima...
   30: ...use echolocation to navigate and find food in the dark
8. Human (48024 bytes)
   5: {{Taxobox_phylum_entry | taxon = [[Chordata]]}}
   9: {{Taxobox_familia_entry | taxon = [[Hominidae]]}}
   14: ...apiens | author = [[Carolus Linnaeus|Linnaeus]] | date = [[1758]]}}
   16: ''[[Homo sapiens idaltu]]'' (extinct)<br/>
   35: ...ere are a number of perspectives regarding the fundamental nature and substance of humans. These are b...
9. Embryo (1444 bytes)
   5: ...tion|germinate]] &mdash; grow out from the seed &mdash; it is called a '''seedling'''.
   7: ...he first [[cell division|division]] of the '''''[[zygote]]''''' (a fertilized [[ovum]]) until it becomes a...
   19: *[http://www.genefaith.org/ethgen/pages/databases/resources/humdevchart.html Chart of human ...
10. Fern (7930 bytes)
    8: [[Marattiopsida]]<br/>
    9: [[Osmundopsida]]<br/>
    10: [[Gleicheniopsida]]<br/>
    11: [[Pteridopsida]]
    21: # The fertilized gamete (diploid [[zygote]]) grows by cell division into a sporophyte (the ...
11. Amniotic sac (3222 bytes)
    19: ...cy is when each embryo or fetus from one single [[zygote]] (monozygotic, commonly known as identical twins...
12. Moon Jelly (10363 bytes)
    5: {{Taxobox phylum entry | taxon = [[Cnidaria]]}}
    8: {{Taxobox familia entry | taxon = [[Ulmaridae]]}}
    21: ...from a different medusa to form a [[zygote]]. The zygote then turns into a [[blastula]], then [[gastrula]]...
    29: ...en levels that are three times normal for several days, giving them a higher chance of living in case ...
    34: ...pture prey and also to protect themselves from predators (Arai, 1997). The food is tied with mucus, an...

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