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- Crustacean (6274 bytes)
9: ..._subdivision | color = pink | plural_taxon = Classes}}
35: ...ly found in marine and freshwater, with a few terrestrial members (such as [[woodlouse|woodlice]]).
41: ...] on the dorsal side of their body. Their appendages are typically [[biramous]], including the second ...
45: ...se the eggs. Crabs' eggs are retained by the females until they hatch into free-swimming [[larva]]e.
49: ...ly controversial; this can make taxonomic references hard to follow. Evolutionary relationships betwee... - Blue Whale (22203 bytes)
2: ...ewhale877.jpg|250px]] | caption = The world's largest animal}}
12: {{Taxobox_species_entry | taxon = '''''B. musculus '''''}}
18: ...imal ever to have lived, at up to 30 [[1 E1 m|metres]] (100 [[foot (unit of length)|feet]]) in length ...
20: ... one in [[Antarctica|Antarctic]] waters. Blue Whales found in the [[Indian Ocean]] may or may not be p...
23: ..., it is not known when the members of these families diverged from each other. - Ocean (6829 bytes)
6: ...y a line of [[latitude]] with no landmass boundaries.
10: ...led [[sea]]s, [[gulf]]s, [[strait]]s and other names.
12: ...he [[Strait of Gibraltar]], and indeed several times over the last few million years movement of the [...
14: ...lion km?, and its average depth is 3790 m. This does not include seas not connected to the World Ocean...
16: ...he total mass of the hydrosphere is about 1.4 × 10<sup>21</sup> kg, ca. 0.023 % of the Earth's t... - Electron microscope (5936 bytes)
2: ...f material, magnifying at levels up to 500,000 times.
6: ...wed great advances in the [[Science|natural sciences]].
7: ...ave-particle duality]]), which allows a higher [[resolution]] - the measure of how close together two ...
8: ...etre|nm]], whereas electron microscopes can have resolutions as low as 0.1 nm (1 [[angstrom]]).
10: == Process == - Whale shark (5019 bytes)
6: {{Taxobox_classis_entry | taxon = [[Chondrichthyes]]}}
7: {{Taxobox_ordo_entry | taxon = [[Orectolobiformes]]}}
10: {{Taxobox_species_entry | taxon = '''''typus'''''}}
14: ... shark]] (''Cetorhinus maximus''), the second largest fish.
16: .... The [[spiracle]]s are just behind the shark's eyes. The whale shark is not an efficient swimmer - wi... - Baleen whale (4213 bytes)
1: ...{Taxobox_begin | color = pink | name = Baleen whales}}
10: ... = pink | plural_taxon = [[Family (biology)|Families]]}}
13: [[Eschrichtiidae]]<br/>
16: ...tes instead of teeth in the upper jaw, which enables them to filter food from water.
17: ...the embryonal phase, except for fossil baleen whales which yet had teeth instead of baleen. - Plankton (2900 bytes)
3: ...[ocean]], [[sea]]s, and bodies of [[Fresh water|freshwater]]. While some forms of plankton can move s...
5: ...of their lives (usually the larval stage). Examples of meroplankton include the larvae of [[sea urchi...
7: ...ution are sensitive to chemical and physical changes in the water.
12: Plankton are often described in terms of size. Usually the following di...
16: * Mesoplankton, 0.2 mm-2 cm - Humpback Whale (17123 bytes)
13: {{Taxobox_species_entry | taxon = '''''M. novaeangliae'''''}}
16: ...a_range_map_Humpback_Whale.PNG|250px|Humpback Whales go where there is water.]] | caption = Humpback W...
18: ...its complex [[whale song]]. The Humpback Whale lives in oceans and seas around the world, and is regul...
19: ==Physical description==
20: ...fted high in the dive sequence, have wavy rear edges. - Penguin (7847 bytes)
7: {{Taxobox_classis_entry | taxon = [[bird|Aves]]}}
8: {{Taxobox_ordo_entry | taxon = '''Sphenisciformes'''}}
12: ''[[Aptenodytes]]''<br />
13: ''[[Eudyptes]]''<br />
15: ''[[Megadyptes]]''<br /> - Animal K (229 bytes)
4: *[[Kestrels]]
6: *[[Killer Whales (Orcas)]]
14: *[[Krill]] - Baleen Whales (6057 bytes)
1: ...{Taxobox_begin | color = pink | name = Baleen whales}}
10: ... = pink | plural_taxon = [[Family (biology)|Families]]}}
13: [[Eschrichtiidae]]<br/>
16: ...tes instead of teeth in the upper jaw, which enables them to filter food from water.
17: ...[[embryo]]nal phase, except for fossil baleen whales which yet had teeth instead of baleen. - Bowhead Whales (5651 bytes)
2: ... image = [[image:Bowheads42.jpg|250px|Bowhead Whales]] | caption =}}
12: {{Taxobox_species_entry | taxon = '''''B. mysticetus'''''}}
19: ==Description==
20: ...hs of up to 20 meters; females are larger than males. The [[blubber]] layer of the bowhead whale is t...
23: ...below the water surface for as long as forty minutes in a single dive, they are not thought to be deep... - Copepods (3800 bytes)
24: ... [[animal]]s living in the sea and nearly every freshwater habitat, a form of [[plankton]], specifical...
26: ...me 14 000 described [[species (biology)|species]].
28: ... They compete for this title with the [[Antarctic krill]] ''Euphausia superba''.
30: ...s is not usually a problem in treated water supplies, although a correlation has been found between co...
32: ... for observant Jews in areas where copepods are present in the public water supply. This can be remedi... - Emperor Penguin (4731 bytes)
6: {{Taxobox_classis_entry | taxon = [[Aves]]}}
7: {{Taxobox_ordo_entry | taxon = [[Sphenisciformes]]}}
9: {{Taxobox_genus_entry | taxon = '''''[[Aptenodytes]]'''''}}
10: {{Taxobox_species_entry | taxon = '''''A. forsteri'''''}}
12: ...inomial | color = pink | binomial_name = Aptenodytes forsteri | author = [[George Robert Gray|Gray]] |... - Right Whales (11436 bytes)
1: {{Taxobox_begin | color = pink | name = Right Whales}}<br>{{StatusSeeText}}
13: ...ubdivision | color = pink | plural_taxon = [[Species]]}}
22: ...|genera]]: '''''Eubalaena''''' — three species of right whale (which are discussed below), and '...
25: ...l waters to make contact with the other (sub)species and (inter)breed; their thick layers of insulatin...
27: ...ions are also distinct, and that the Pacific species (now known as the Pacific Northern Right Whale), ... - Compound eyes (2024 bytes)
2: ...rilleyekils.jpg|thumb|Compound eye of [[Antarctic krill]] as imaged by an [[electron microscope]]]]
4: ...ever, it can detect fast movement and, in some cases, the [[polarization]] of light.
6: ...l to each other or slightly twisted. In some species which can see polarization, the cells undergo a h...
8: There are three types of compound eyes:
10: ...ects it to the same angle on the other side. The result is an image at half the radius of the eye, whi...
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