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never [62]
3 years ago
8

Why would a fish that lives in the bathypelagic zone lack a swim bladder and what adaptations would help in maintain neutral bou

yancy
Biology
1 answer:
FrozenT [24]3 years ago
4 0

<u>Answer</u>: The bathypelagic zone is a layer of the ocean that lies between 1000 and 4000 meters or 3,280-13,120 feet. This region has a considerable water pressure and receives no sunlight with temperatures ranging generally between  5° and 15° C or 41° and 59° F.

Due to the high pressure, fishes living here require specific adaptations. Neutral buoyancy is attained mostly by having reduced heavy tissues such as muscles or bones. This is a common strategy for deep water fishes that have a sparse food supply. Thus, such an energy expensive tissues that also includes a swim bladder or compounds such as lipids are either reduced or completely absent in bathypelagic fishes.

A swim bladder and other energy expensive tissues appear once more in bethopelagic fishes as they hover or swim slowly above the deep sea floor. These have access to an increased food supply compared with bathypelagic fishes.

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Temperature inversions occur naturally in the stratosphere and thermosphere, but also occur closer to the surface of earth in th
skelet666 [1.2K]

Temperature inversion or thermal inversion is a phenomenon during which the temperature increase when there is an increase in the altitude. It is an uncommon process that happens in the troposphere-the layer of atmosphere closest to the earth.  

When there is an increase in temperature with altitude that warm air acts as a blockage for the cool air near the surface of the earth. So this is just opposite to the normal behavior of the air, where it becomes cooler with an increase in altitude.

So how air circulation behaves during inversion?

So as we said that the cool air nearer to the earth will be blocked by a layer of warm air. This blockage will hinder the circulation of air upwards from the lower layers. Let’s see how:

• As we know that, warm air is less dense and more buyout than cool air and normally less dense warm air is close to the earth and cool air is in above layers. But when the process is reversed, this warm air acts like a blanket for the proper circulation of air. Due to this, many environmental pollutants which normally leave the earth during air circulation get trapped in our air.  

• The trapped environmental pollutants like nitrogen oxides and hydrocarbons get convert into harmful ozone that ultimately deteriorates the quality of air and causes problems like smog.

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6 0
3 years ago
Describe the beans shown in the picture. Make both objective and subjective observations.
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Answer:

Black beans are tastier-subjective; White beans are the smallest-objective

Explanation: facts

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musickatia [10]

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C.  Oceans are carbon sinks because they store more carbon than they emit.

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Oceans are carbon sinks because they store more carbon than they emit. Most of the carbon is produced in the respiration process as well as burning of fossil fuels. This carbon moves to the atmosphere and dissolved into the ocean which is required by the vegetation of ocean. Due to this carbon, vegetation produced more food for the organisms. About 25% of all CO2 emissions are absorbed by the ocean. Source is the part of a plant where materials are produced e.g. leaves whereas Sink refers to the part of the plant where the substrate can be stored e.g. roots or stem for starch.

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2 years ago
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