Answer:
The main function is protection, breathing and support.
Explanation:
An exoskeleton covers the entire surface of arthropod animals, such as arachnids, insects, crustaceans, etc. Its main function is the protection, breathing and support of the muscular system, favoring its fossilization.
Answer:
the movement of ions or molecules across a cell membrane into a region of higher concentration, assisted by enzymes and requiring energy.
<span>Nothing is likely taking place. During REM sleep, which is when dreaming usually takes place, the body is usually in a still state, with eye-twitching as the only movement that is experienced. The body usually does not do anything to "act out" the movements experienced in the dreams.</span>
Solution - minerals are dissolved in the water and carried along in solution. Suspension - fine light material is carried along in the water. Saltation - small pebbles and stones are bounced along the river<span> bed.</span>
Answer:
its the first one 6CO2 + 6H20 ===> C6H12O6 + 602
Explanation: