How much sleep do you really need? Experts generally recommend seven to nine hours a night for healthy adults. Sleep scientists say new guidelines are needed to take into account an abundance of recent research in the field and to reflect that Americans are on average sleeping less than they did in the past.
Word Origin and History for habitat Expand. n. 1762, as a technical term in Latin texts on English flora and fauna, literally it inhabits, third person singular present indicative of habitare to live, dwell, frequentative of habere to have, to hold, possess (see habit (n.)).
Habitat: Facts What is a habitat? A habitat is a special place where a plant or animal lives. Just like you have a home or place to live, so do animals and plants. When we talk about an animal's or a plant's home it is more like a neighborhood than a âhouse.â An animal needs five things to survive in its habitat: food; water; shelter; air