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Lady bird [3.3K]
3 years ago
8

Someone help me please

Biology
1 answer:
r-ruslan [8.4K]3 years ago
8 0
Because there are too many sex chromosomes I think
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Some protozoans have special organelles called contractile vacuoles that continually eliminate excess water from the cell. the p
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Answer is hypertonic.

The ability of an extracellular solution to make water move into or out of a cell by osmosis is known as its tonicity. Tonicity is concern for all living things, especially in in organisms lacking cell wall, <em>Paramecium</em> is one such protozoan. It has specialized structures called contractile vacuoles. A contractile vacuole collects excess water from the cell and release it out, keeping the cell from lysing as it takes on water from extracellular environment which hypotonic (a lower osmolarity than the cell’s cytoplasm) as compared to hypertonic environment inside <em>Paramecium</em>.

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Why are animals with albinism hard to find in nature
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Which human body systems interact to perform temperature regulation along with the nervous and endocrine systems?
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Hypothalamus of human body system interact to perform temperature regulation along with nervous system and endocrine system.

Explanation:

Hypothamus is an important part of our lower brain that play a significant role in regulation of body temperature.

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  When our body temperature rises at that time hypothalamus slows down the rate of metabolism of our body to restrict further increase in our body temperature and also dilates the blood vessels present beneath the skin so that body can liberate heat to the environment.

 on the other hand when the body temperature decreases at that time hypothalamus increases the metabolic rate of our body to increase the body temperature and also the constrict the blood vessels present under the skin.

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The four main elements in food that help energy to move from One trophic level to another is
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<span>Carbon, Hydrogen, Nitrogen, and oxygen </span>
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