Answer:
The four main classes of organic compounds (carbohydrates, lipids, proteins, and nucleic acids) that are essential to the proper functioning of all living things are known as polymers or macromolecules. All of these compounds are built primarily of carbon, hydrogen, and oxygen but in different ratios.
Explanation:
Prokaryotes are organisms made up of cells that lack a cell nucleus or any membrane-encased organelles. Eukaryotes are organisms made up of cells that possess a membrane-bound nucleus that holds genetic material as well as membrane-bound organelles.
Answer:
Explore uses of more plentiful minerals.
Explanation:
Because the use of more can get us more items that can grow the population and interest.
Answer:
yes. it's important to save the species that are closer to extinction first. the more critically endangered, the more important it is to save.
Explanation: