The hormone vasopressin stimulates the kidneys to retain water.
Vasopressin or antidiuretic hormone is secreted by the posterior pituitary gland and acts on the nephron tubules which increase the reabsorption of water, thus decreasing water content in urine while increasing that of blood.
The increase in water concentration in the blood elevates blood pressure as well as blood volume which makes the urine concentrated.
It regulates the tonicity of body fluids and therefore, in response to hypertonicity stimulates the kidneys to reabsorb solute-free water and return it to the circulation from the tubules of the nephron, thus restoring the tonicity of the body fluids toward normal.
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The fundamental unit among them (not derived) is :
Answer:
D. To capture sunlight to perform photosynthesis
Explanation:
Sunlight is one of the requirements of plant photosynthesis
Answer:
1 I think, read the explanation.
Explanation:
Offspring need to carry just one dominant allele from their parents to inherit the polydactyl condition. The probability of the offspring having polydactyly is 50% (2 of the 4) and 50% not having it (normal). This can be expressed as a ratio, 2:2 which can be simplified to 1:1. - found on the internet
D.
Glucose is energy, which means it breaks down when energy is consumed. When a fox consumes it's pray, a seagull glides trough the air and a duck rests on a pond, not much glucose is consumed.
Energy is used when physical effort is necessary, and running from a predator, requires a lot of energy.
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