It illustrates the cycling of matter, just like in a natural ecosystem.
Option D.
<h3><u>Explanation:</u></h3>
The natural stable ecosystem is defined as the ecosystem which has the members doing their part of job and each and every member contribute to the stability of the ecosystem by completing food chains.
Here in this bottle ecosystem the boy put the stones, rocks, water which gives proper nutrition to the growing plants and animals which are also introduced by the boy. The plants produce oxygen and consume carbon dioxide whereas the animals consume oxygen and produce carbon dioxide. Thus the cycle is maintained and stability is achieved.
Answer: option b - 55
Explanation:
Menopause signifies the time in a woman's life when menstruation ends, usually BETWEEN age 45 - 55.
And because of the crucial role played by Oestrogen in menstruation, its LOSS increases the RISK of HEART DISEASE seen in women AFTER MENOPAUSE .
The large intestine's main function is to process waste.
<span>Out
of the following given choices;</span>
<span>A. </span><span>symbiote. C. capacity limiter</span>
<span>B.
</span><span>producer. D. limiting factor
</span>
The answer is D. Limiting factors limit the ideal growth rate
of a population. Examples of these limiting factors include space (low space)
and food (scarce food). These limiting factors would limit the population growth
rate either by causing emigration, increases birth rate, and decrease birth
rate.
