Answer:
The correct answer is - carbohydrates.
Explanation:
The four significant groups of macromolecules found in living beings are carbohydrates, lipids, nucleic acids, and proteins. carbohydrates comprised of carbon, hydrogen, and oxygen molecules, generally in a proportion of 1 : 2 : 1.
Living things use carbohydrates as their main form of energy. Carbohydrates are a class of macromolecules is essentially utilized as a quickly accessible energy source by living things.
Thus, the correct answer is - carbohydrates.
Answer:
Friction make stuff go the opposite way sot the ball wound go to the left bc of fiction and the ball would go to the right for motion
Explanation:
This is an example of behavioral isolation. This is an important evolutionary mechanism that helps members of similar species to identify each other as proper mates. It is based on the behavior of species in the context of mating signals and rituals.
Because organisms are made primarily of water, they resist rapid temperature changes. This useful quality is based on water's high specific heat.
It takes a lot of heat to increase the temperature of water because some of the heat must be used to break hydrogen bonds between the water molecules. It is because water has a high specific heat capacity.
Answer:
The next level is the organ system level. Many organs working together to accomplish a common purpose create an organ system. For example, the heart and the blood vessels of the cardiovascular system circulate blood and transport oxygen and nutrients to all the body cells.
Explanation: