Answer: 1 phylum ,genus ,class ,species
Answer:
H2O2 H2O CO CO2 CH4 are all compounds.
Explanation:
Compounds contains 2 or more ions of different elements in different proportion joined by chemical bonds into a molecule.
Answer: Heterotroph
Explanation: Good luck! :D
A biologist whose interest lies primarily in the study of plants or animals can be called a naturalist, although these days it's more likely she'll be called a natural historian, a botanist, or a zoologist.
Answer:energy in the form of heat and matter (nutrients, solids, dissolved substances, and gases)
Explanation: