Light alerts the biological clock to slow down the secretion of melatonin hormone that promotes sleep. Melatonin hormone is a hormone that is produced by the pineal gland in animals and regulates sleep and wakefulness. . The hormone is used to regulate night and day cycles or sleep-wake cycles, darkness causes the body to produce more melatonin, which signals the body to prepare for sleep. Light decreases melatonin production and signals the body to prepare being awake.
An environment that has all the things that particular plant or animal need in order to live is referred to as habitat.
<h3>What is Habitat?</h3>
This is an area where an organism lives and comprises of resources and factors which supports its survival.
Food, light etc are part of the resources in which a habitat has which ensures appropriate growth and reproduction of species.
The complete question is:
___ is an environment that has all the things that plant or animal need in order to live.
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Answer:
Explanation:
1) Autotrophs
2) Photosynthesis
3) Chlorophyll
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Answer:
The Earth is made up of many rocky layers. .
Explanation:
The solid, outer layer is called the crust. Below the crust lies a layer of very hot, almost solid rock called the mantle
Absorption is the correct answer