Answer:
The muscle tissue shortens to performs it's function which we know as muscle contraction
Answer: 16.7%
Explanation: Children and adolescents (ages 6 to 17 years) engage in 60 minutes or more of moderate-to-vigorous physical activity daily as described by the CDC in The Physical Activity Guidelines for Americans (second edition).
However, elementary and high schools usually run from 8 a.m to 3 pm (or 3.30pm in some cases) daily. High school students take six one-hour classes or four 90-minute classes and an hour lunch break daily.
Thus, the CDC recommends 60minutes of physical activities daily, which account to 16.7% of the total class duration (6 hours) per day.
Answer:
1. Archaebacteria: They are single celled and thrive in extremely hot environments
2. Eubacteria: They are very commonly known to people as parasites like Streptococci, which causes strep throat. However, they can also help produce many antibiotics. They are also single celled
3. Fungi: They are multi celled organisms that are most recognizable as mushrooms, molds, mildews, and yeast.
4. Protista: They are single celled organisms that are much more complex than single celled bacteria. They are most recognizable as algae and slime molds.
5. Plantae: This kingdom is made up of flowering plants, mosses, and ferns. They are multi celled and complex.
6. Animalia: This kingdom is the largest out of all of them. It is made up of complex, multi celled organisms.
Explanation:
