Answer:
It stands for ribonucleic acid.
Explanation:
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Answer:
Emission
Explanation:
Semen contains sperm and the secretions released by the accessory sex glands such as seminal vesicle and prostate gland. Before the ejaculation of semen, the muscles of the epididymis, ductus deferens, seminal vesicles, ejaculatory ducts, and prostate gland exhibit peristalsis. This results in the release of the secretions from the accessory glands and reproductive duct into the urethra. Since semen is present in the urethra, a small volume of semen is discharged even before ejaculation during emission.
The option which is true for urochordates is the second one - the notochord is present only in the larval stage; it is absent in adults.
From plants
Explanation:
Animals are heterotrophic hence feed on already manufactured food ie complex carbs from plants