When a plant dies, most of the nitrogen in the plant’s tissues is: A. consumed by animals in the soil. B. unable to go on as part of the nitrogen cycle. C. released into the soil by bacteria. D. able to go directly back into the atmosphere.

After a plant dies it's the job of a decomposer to carry along the nitrogen back to the surface so that it may continue to cycle along, until it eventually returns back to the decomposer through the death of another plant.

Explanation:

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 answer is d.) homologous; have mammary glands