Answer:
They maintain their body temperature higher than their environment by some metabolic processes like contraction of muscles, friction produced by flow of blood etc. They have a higher basal metabolic rate, and also a greater capacity to increase their metabolic rate.
The answer is d. Source water are River, streams, lake etc that provide drinking water
First of this should probably be under physics and not biology... nevertheless for your question. Newton's first law basically says that an object in motion will stay in motion unless acted upon by another force. Initially, you are traveling at the same velocity as your car, however if the car suddenly stops and you are not wearing a seat belt you will continue to move forward at the same velocity until you smack against the steering wheel or dashboard. A seatbelt basically connects you to the car so when the car suddenly stops you stop by hitting into the seatbelt which would prevent the injuries of hitting the dashboard or breaking and flying through the windshield.
Answer:
Beneficial Bacteria
They are found in most every environment, from Antarctic ice, to boiling hydrothermal vents, to inside your stomach.
Explanation:
Answer:
cell membrane: provides protection for a cell . It also provides a fix environment inside the cell and the membrane has several different fonctions . One is to transport nutrients into the cell and also transports toxic substance out of the cell.
cell wall: cell wall is a structual layer sorrounding some types of cells , just outside the cell membrane . it can be tough , flexible ,and sometimes riding. it provides the cell with both structual support and protection , and also acts as a filtering machine.
