- So far, I have sirens, mermaids, and sea serpents.
Answer by Woody B
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- i am a grade iv boy. i wanted to know why sea water is so salty
Answer by Sailor.V
sand contains a small amount of salt because sand was one rock and rock has 2% salt in it so that is how sea is salty
- how do sea turtles regulate too much water and too little water?
describe a sea turtles immune system.
Answer by Navi
Sea turtles are almost always submerged in water, and, therefore, have developed an anaerobic system of respiration. Although all sea turtles breathe air, under dire circumstances they may divert to anaerobic respiration for long periods of time. When surfacing to breathe, a sea turtle can quickly refill its lungs with a single explosive exhalation and rapid inhalation. Their large lungs have adapted to permit rapid exchange of oxygen and to avoid trapping gases during deep dives. However, turtles must emerge while breeding, given the extra level of activity.
Sea turtles can live in seawater with no need for a freshwater source. They obtain sufficient water from their diet and from metabolizing seawater. For the most part, the only time sea turtles need to leave the sea is when females haul out to lay eggs; however, on uninhabited or sparsely-inhabited beaches, turtles have been observed basking on land. Many adaptations that make sea turtles successful in the sea make them slow and vulnerable on land.
Sea turtles possess a salt excretory gland at the corner of the eye, in the nostrils, or in the tongue, depending on the species; chelonian salt glands are found in the corner of the eyes in leatherback turtles. Due to the iso-osmotic makeup of jellyfish and the other gelatinous prey upon which sea turtles subsist, sea turtle diets are high in salt; chelonian salt gland excretions are almost entirely composed of sodium chloride 1500-1800 mosmoll-1
- please discrbe a sea lion…and their habbitat
Answer by Torey Scott
A sea lion is any of several marine mammals of the family Otariidae. Sea lions are characterized by the presence of external ear pinnae or flaps, long front flippers, and the ability to walk on four flippers on land. Sea lions are generally found in coastal waters of the temperate to subpolar regions of both northern and southern hemispheres.
You will find it all here: http://en.wikipedia.org/wiki/Sea_lion
- How do you differentiate an ocean and a sea?
Answer by BobaFett
I think the difference between “sea” and “ocean” is in the first place one of size and importance. An ocean is always large, a sea can be large or small, but never so large as the ocean itself. An ocean tends to be open, a sea is usually (but not always) closed and can be in the hinterland, too. An ocean is always deep, the sea can be deep or shallow.
Also, etymologically speaking, “ocean” comes from Greek, whereas “sea” is a pure Germanic word. Therefore, “ocean” is a more learned term: oceanography, oceanology. An ocean is often something unknown and mysterious, whereas the sea seems to be something more knowable and palpable.
In many cases and contexts, the two words are interchangeable.
But technically, it seems, the ocean always includes the sea.