The correct answer is option (A) The snake population will decrease rapidly and the grass population will increase rapidly.
A food chain can be defined as a linear sequence of organisms through which the nutrients and energy flow as one organisms feeds on the other. Each level of the food chain is called the trophic level. They show organisms starting from the producers and end with consumers or sometimes with detrivores or decomposers. The producers which use solar energy and prepare their food occupy the first trophic level, followed by the primary, secondary, tertiary, quaternary consumers occupying the next trophic level.
In the terrestrial food chain given above, grass → rabbit → snake → Hawk, the decrease in the any population will effect the other organism at a different trophic level of the food chain. A sudden decrease in the population of rabbits due to trapping will rapidly decrease the snake population due to scarcity of food and the grass population will increase rapidly due to the lack of the consumers which are the rabbits.
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Answer:
The correct answer is option A) "True".
Explanation:
Paracrine hormones are a type of eicosanoids (signaling molecule), which are characterized for binding and performing its function on nearby cells rather than the cells where they are produced. Two examples of paracrine hormones are estrogens and testosterone. Estrogens are produced by the ovaries, but they perform their function on ovarian follicles. Testosterone is produced by the Leydig cells of the testes, but they perform their function on adjacent seminiferous tubules.
The answer is an internal orifice or internal os.
The cervix or cervix uteri refers to the lower portion of the uterus in the human female reproductive system. The openings are called the internal orifice and the external orifice of the uterus.
The internal orifice or internal os refers to the upper terminal of the cervix, which opens into the uterus. On the other hand, the external orifice refers to the terminal of the cervix, which opens into the vagina.