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viva [34]
3 years ago
10

Do all fishes have swim bladder? Justify your answer? Give a small answer please

Biology
2 answers:
Rus_ich [418]3 years ago
7 0

Lol I never thought swim bladder actually exists.

Well fishes that have bones contain swim bladder , while cartilegenious fish do not contain swim bladder. It is basically an organ fillled with gas allowing fish  to control their buoyancy, and thus to stay at their current water depth without having to waste energy in swimming. So only bony fish have swim bladder while cartilegenious fish do not.

muminat3 years ago
6 0

Answer:

Explanation:

Most fish rise and sink using this method, but not all do. Some species don't need a swim bladder because they spend all their life skimming along the ocean floor. Other fish, such as rays and sharks, ascend and descend by propelling themselves forward.

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Explanation:

These can include:

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2. An instance when you were impressed by how a medical personnel handled a health scare.

A shadowing experience is when you dedicated time to see what working in medicine really looks like in the real world. You should use this part of your essay to show that you know about the less desirable aspects of the job (from what you saw while shadowing a professional) and it has not deterred you from pursuing a career in medicine.

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slava [35]

Answer:

1. Yes

2. No

3. Yes

Explanation:

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The success of the patients was due to combined effect of increased amount of fruits/vegetables and plants and the elimination of meats. By using these two element the patient will quickly recovered.

8 0
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When a heterozygous organism reproduce asexually, can one of the offspring be different from the parent?
Genrish500 [490]
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