The choices can be found elsewhere and as follows:
<span>atural and synthetic
metabolites and nonmetabolites
proteins, carbohydrates, lipids, and nucleic acids
organic compounds and inorganic compounds
I think the correct answer from the choices is the third option. The c</span>lassifications of matter used In the 1800 are proteins, carbohydrates, lipids, and nucleic acids. Hope this helps.
<span>Heterotrophs, organisms that must get energy from food indirectly from sunlight or inorganic substances, go through the process of cellular respiration to get the energy needed.</span>
Answer:
Humans cannot occupy the lowest levels.
Explanation:
This helps them to reproduce much more quickly and without much effort
Scientists cannot provide accurate information on environmental conditions