Arthropods constitute about two-thirds of all animal species on Earth. Some arthropods, such as cockroaches, have changed little
since they originally emerged. How do you think we should judge success as a species? Using your standard, which would be the most successful group of organisms on the planet, and why?
We should judge success as a species with their population and thriving expectancy of life. The most successful group of organism on the planet would be humans ourself because we populate most of the earth and we are still producing per day.
Hence When we eat food it closes but when we talk While eating the epiglottis would remain open and the food may enter windpipe which may trigger violent coughing to clear the food material out of trachea or may get serious by Chocking and may be fatal. That is why it is not advised to talk while eating
They help work together because when the heart pmps blood through the body and the cells flow through the blood non stop its like a barrier of protection
