The hormone <u>adrenocorticotropin hormone</u> (ACTH). which is secreted by the adrenal cortex, causes the kidney to conserve <u>sodium</u> ions and excrete <u>potassium</u> ions and indirectly helps to maintain systemic blood pressure.
<h3>What are hormones?</h3>
Hormones are chemical messangers or substances which are produced by the body and released to the sites where they are needed in the body
So therefore, the hormone adrenocorticotropin hormone (ACTH). which is secreted by the adrenal cortex, causes the kidney to conserve sodium ions and excrete potassium ions and indirectly helps to maintain systemic blood pressure
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Answer: Gamete
Explanation: <u>Gametes are an organism's reproductive cells.</u> They are also referred to as sex cells. Female gametes are called ova or egg cells, and male gametes are called sperm. Gametes are haploid cells, and each cell carries only one copy of each chromosome.
Fossils prove that other organsism lived before us and show organisms simmalar to us
The correct answer is Salinity.
Salinity refers to the principal characteristic that determines whether an aquatic ecosystem is classified as marine or freshwater. It is the measure of all the salts dissolved in water. It is usually measured in parts per thousand.