Answer:
Genes
Explanation:
Gene. A segment of a DNA molecule (a sequence of bases) that codes for a particular protein and determines the traits (phenotype) of the individual. A gene is the basic unit of heredity in a living organism.
metals (left side of periodic table) become positive ions so calcium would be the answer
Answer:
c. Parabasilids
Explanation:
Termites are unable to digest cellulose and lignin by themselves. They need microorganisms living in their guts to provide the necessary enzymes to break down these molecules. This relationship turns to be mutualistic, in which both organisms are beneficiated. The microorganism is an endosymbiont.
Parabasilids are unicellular flagellated protists, most of them symbionts with animals. Flagella are characteristics of this group, arranging into one or more groups in the anterior region of the cell. Many species are commonly found in the digestive tube of termites. Parabasilids help their hosts to digest cellulose through enzymatic action. They are anaerobic organisms and lack mitochondria, making them capable of living in an environment with no fresh supply of oxygen O₂. Termites gut provide all the necessary conditions for endosymbiont´s growth, reproduction, and development.