Answer is B. Porifera
Members of the phylum porifera includes animals which lack tissues. These animals are also called sponges. These are the simplest multicellular animals. Even though they are multicellular, they do not have any tissues or organs. They have cellular level of body organization. Sponges are aquatic animals and water plays a major role in the feeding, exchange of gases and as well as excretion.
Agility.
Agility is the ability to change body position quickly and is usually referred to as being very agile.
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C: Mountains.
Explanation: The two plates collide and push up against each other, forming the mountains
Epiglottis
The epiglotis is what allows you to swallow food without inhaling it. It acts as a gateway between the digestive and respiratory systems