Answer:
nucleotide; nucleic acid
Explanation:
nucleic acid is the polymer, and nucleotide is the monomer as its the buliding block of nucleic acid.
The higher biodiversity in an ecosystem means that there is a greater variety of genes and species in that ecosystem. A great variety of genes and species means that the ecosystem is better able to carry out natural processes in the face of external stress. Thus, the ecosystem is more sustainable.
The universe is continuing to expand.
A massive explosion caused matter and energy to expand and form the universe.
The cause of the big bang was dark matter and dark energy.
The Big Bang Theory is an attempt to explain how the vast universe began. It was made into conclusion through multiple formulas. According to this theory, the universe began from a singularity such as that of a black hole. Out of that singularity, came a massive explosion, hence the term 'big bang'. Because of this explosion, the expansion of universe began. Until this day, the universe is still continuously expanding, according to this theory.
