<span>There is no set number of genes that produces a new species. </span>
Explanation:
Coral reefs are the part of marine ecosystem and their diversity is immense.
Coral reefs plays an important role in maintaining the ecological balance and they are:
Shield coastlines from the hurting effects of wave movement and tropical storms, give living spaces and safe house to various marine living things, are the wellspring of nitrogen and other central enhancements for marine regular pecking orders, help carbon and nitrogen fixing, help with enhancement reusing.
<span>Cretaceous
</span>Angiosperms evolved during the late Cretaceous<span> Period, about 125-100 million years ago.</span>
Whereas a change that causes change in chemical composition of a substance is known as chemical change. For example, A new substance is always formed in a chemical change. Thus, we can conclude that the definition a chemical change produces a new substance by breaking and forming new bonds, is correct.