Answer:
D. tropical rain forest
Explanation:
deforestation for more farmland
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The correct answer is: contractile vacuoles.
Paramecium is simple unicellular ciliate that lives in the water environments. It is often used as model organism in laboratory experiments because of its ability to easy conjugate and divide.
Osmoregulation of the paramecium is regulated by contractile vacuoles (one or more within the cell). Contractile vacuoles expel water from the cell in order to compensate for fluid absorbed by osmosis from its water surroundings.
Answer:
Option-4
Explanation:
Cow milk allergy or the cow milk protein allergy occurs when the allergy is caused by the proteins of the cow' milk when provided to the infant baby during the first 6 months.
The allergy is caused when the immune system of the infants consider the proteins of the cow milk as a foreign substance or antigens. These antigens activate the immune response which releases the chemicals and infant develop the symptoms of allergy.
Thus, option-4 is the correct answer.
Answer:
CO2 is a nonpolar molecule that can diffuse through the plasma membrane. As long as it diffuses away so that the concentration remains low outside the cell, it will continue to exit the cell in this way.
Explanation:
