The answer is <span>D. The type of plant that grew near a river.
A clastic rock is composed of fragments of rock and geological detritus and smaller grains of rock. Its composition is determined by source rock composition and crystals. It can be noticed that the type of plant that grew near a river has nothing to do with its composition.</span>
<span>They are stuck to the floor in the oceans, sea, and rivers. They are known as Porifera. The Poriferans are simple multi cellular animals. </span>Sponges<span> are very primitive creatures that scientist think </span>evolved<span> around 500 million years ago </span>
A mutation can cause the organism to look different and function differently also.