An astroid impact killed off the dinosars which in turn made the first primates evolve.
One general effect of overuse of an environmental resource is the destruction of the ecosystem. Overuse of natural resources usually throw the ecosystem out of balance and disrupts the life of the living organisms which are living in that particular location.<span />
Answer and Explanation:
1. Amino-acid sequence is the primary structure of a protein
2. Alpha helices, beta sheets and coiled coils refers to the protein folding and they represent the secondary structure of a protein
3. Protein ensemble formed by alpha helices, beta sheets and coiled coils represent the tertiary structure of a protein
4. Macromolecules with multiple polypeptides form globular or fibrous protein structures (quaternary structure)
During mitosis the four centrioles appear visibly and move to the ends of the nucleus one pair at each end<span> then they produce a series of threads that attach to the chromosomes During cell division the threads split the chromosomes and drew them towards the centrioles</span>
I’m pretty sure it’s c. protostar