A camel has eyelashes that work to keep the dust and sand out of its eyes. Which characteristic of like does this represent??

All living things adapt to their environment

Explanation:

Camels can easily adapt that helps them live in desert conditions. As the wind is the common way to spread the send all over the desert, the camels need to be capable of keeping it from their eyes.

One of the ways they do it is their long lashes. The lashes help them keep the sand away and have a proper sight.

Also, their thick eyebrows protect them from the hot desert sun.

the contamination

we are putting to many trash.

these muscles maintain the blood pressure in the vessels. the smooth muscles are innervated by nerves of the autonomic nervous system. when the muscles contract, they cause vasoconstriction of the vessels and increase blood pressure. when the muscles relax, they enable vasodilation of the   blood vessels hence reduce blood pressure.