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- Skeleton (2955 bytes)
3: ...tic skeletal systems may be classified separately from the other two since they lack hardened support ...
11: ...s to change their body shape as they move forward from long and skinny to short and stumpy. - Body cavity (2315 bytes)
1: ... a lubricant allowing the visceral organs to move freely relative to one another.
3: ... cavity known as a coelom -- presumably inherited from a common ancestor. They are divided into two gr...
9: ...astric pouches ("stomachs" sort of) in [[cnidaria|cnidarians]]. - Animal (16429 bytes)
10: [[Cnidaria]]<br>
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...
63: ...produced without mating, or in some cases through fragmentation.
70: ...few small parasitic [[protist]]s. The name comes from the posterior location of the [[flagellum]] in ... - Animals (10378 bytes)
2: ...acteristics that define them and distinguish them from other life forms. Animals are divided into vari...
8: ...ent. This system ranges from simple nerve nets in cnidarians (jellyfish, for instance) to complex brains in ...
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... - Jellyfish (6276 bytes)
5: {{Taxobox_phylum_entry | taxon = [[Cnidaria]]}}
15: ... called [[mesoglea]] that separates the epidermis from the gastrodermis.
18: ...atches food drifting by or a similar form that is free-floating. Their mouth and tentacles are located...
26: ...th, a larval form, called a [[planula]], develops from the egg. The planula larva is small, and is co...
28: ...es the [[gastrovascular cavity]], where nutrients from their food is absorbed. They do not need a resp... - Polyp (4768 bytes)
1: ...o forms of individuals found in many species of [[cnidaria]]ns. The two are the polyp or hydroid and the [[m...
5: ...ments formed by cells which have migrated into it from the ectoderm.
7: ...ns of circularly disposed muscular fibrils formed from the endoderm the tentacles can be protracted or...
13: ...s project into the enteric cavity but some extend from the body wall to the central stomodaeum.
15: ...]s. In many cases the buds formed do not separate from the parent but remain in continuity with it, th... - Sea nettle (4594 bytes)
5: {{Taxobox_phylum_entry | taxon = [[Cnidaria]]}}
15: ... and [[predator]]s. Nettles also keep people away from the water in the late summer.
36: ...l with seawater. Do not rub the skin or wash with fresh water, as that will augment the pain. After wa...
40: [[Category:Cnidarians]] - Sea anemone (3337 bytes)
5: {{Taxobox_phylum_entry | taxon = [[Cnidaria]]}}
14: ...[[order (biology)|order]] '''Actinaria'''. As a [[cnidaria]]n, it is closely related to [[coral]] and [[jell...
18: ...zoochlorella]]e or both. The sea anemone benefits from the products of the algae's photosynthesis, nam...
20: ...one benefits because the anemone gets food scraps from the clownfish. - Sea anemone. (689 bytes)
3: ...eriantharia). All anemones are marine; Freshwater cnidarians that resemble them (called hydras) are included... - Coral (8108 bytes)
2: ...[gastrovascular]] marine [[cnidaria]]ns (phylum [[Cnidaria]]; class [[Anthozoa]]) existing as small [[sea an...
4: ... corals obtain much of their nutrient requirement from [[symbiosis|symbiotic]] unicellular [[alga]]e c...
21: ..., and they are relatively common fossils in rocks from the [[Jurassic]] and [[Cretaceous]] periods as ...
23: ...us period of South America and [[Denmark]]. Reefs from both the Silurian and [[Carboniferous]] periods...
38: ...cies exhibit banding in their skeletons resulting from [[annual]] variations in their growth rate. In ... - Moon Jelly (10363 bytes)
5: {{Taxobox phylum entry | taxon = [[Cnidaria]]}}
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21: ...[[ovum]] from a female [[medusa]] and a [[sperm]] from a different medusa to form a [[zygote]]. The zy...
25: From mid July to October is when the growth of ''A. ...
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