Answer:
your body produces melatonin it is to help you fall asleep
Explanation:
Second option/ the gametes produced by meiosis allow for closing organisms
Nutrients in coral reefs are recycling efficiently because the water is so shallow. Coral reefs are generally located along tropical coastlines, in open ocean deserts. They thrive in tropical, low nutrient waters because there is no phytoplankton in there. They are home to a large number of species,
Answer: B. The endoplasmic reticulum
Explanation: GOOGLE
Protozoans that Move with Cilia. These protozoans are called Ciliates and have hundreds of tiny cilia which beat in unison to propel them through the water. ... In addition to locomotion, the Paramecium and other ciliates like the Stentor use cilia to sweep food down into their central channel or gullet.