A community for different living organisms that support each other is called an ecosystem. The answer is (A) an ecosystem.
D so that bacteria doesnt multiply in the grains since moisture favours them
I am not 100% sure but I thinking it responds when pathogens enter the body because the immune system is meant to protect your body from illness.
<u>Answer:
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The day one starts with the first day of your periods when the blood and tissue lining the uterus (womb) break down and leave the body is considered to be the '1st day' of the 'female reproductive system'.
<u>Explanation:
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- The periods, that is the 'first day of female reproductive system' starts during puberty and stops 'permanently at menopause'.
- The menstrual cycle starts with the 'first day of bleeding', which is counted as 'day one'.
- The menstrual cycle stops just before the "next menstrual period". Menstrual cycle normally ranges from 25 to 36 days.
- The periods may last anywhere from '3 to 8 days', but '5 days' is average.