Levodopa has a relatively short half-life and interruption of administration of the drug can result in abrupt loss of therapeutic effect within 6 to 12 hours resulting in skeletal muscle rigidity which can interfere with ventilation. Therefore, it is recommended that levodopa be continued as prescribed. Hines RL, Marschall KE. Stoeltings Anesthesia & Co-Existing Diseases. 7th ed. Philadelphia, PA: Elsevier-Saunders; 2018: : 293-295

correct answer: biotic and abiotic limitations

carrying capacity is defined as the total number of an organism who can be supported in a given area within the natural resources limit and without harming or degrading the natural, economic or the cultural environment present for the future generations.

carrying capacity is determined by the limiting factors, which are known to affect the natural resources available. it may include water, nutrients, minerals, space, light etc.

explanation:

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the diploid number of chromosomes is sometimes represented by the symbol 2n. for the fruit fly, the diploid number is 8, which can be written as 2n = 8, where n represents twice the number of chromosomes in a sperm or egg cell.

the answers are a and c