The animal group which lacks true tissues and includes species which are asymmetrical is; Sponges.
<h3>Which animal group includes species that are asymmetrical?</h3>
It follows from biology of classifications that the defining characteristic of sponges includes the fact that they lack true tissues and the species are asymmetrical. Hence, the features indicated in the task content are suggestive of sponges.
Hyperventilating can slow the co2 level in the body dramatically, it reduce the need for your body to that regular amount of oxygen all the time. Your friend is partly right but at some point you will need to come up for air
