Answer:
single celled
Explanation:
because i asked a teacher
Hello love! The answer for your question is D: grass - producer because all energy starts from the producers so the consumers can get energy. Producers are the creators of energy
Hope this helps!!!
Answer:
(A): DNA and protein
(B): The case for proteins appeared stronger until the 1940s, especially since biochemists had identified them as a class of macromolecules with great heterogeneity and function specificity, essential requirements for the hereditary material. Moreover, little was known about nucleic acids, the physical and chemical properties of which seemed far too uniform to account for the multitude of specific hereditary traits of each organism
(C): Virulent strains are pathogenic (causing disease), whereas non-virulent strains are non-pathogenic (harmless) strains.
