Moth larvae eats leaves of the plant. It is an herbivore, a primary consumer in food chain. The primary consumer occupies the second trophic level in owl's ecosystem. The moth larvae in turn is eaten by small bird, a secondary consumer. Thus small bird occupies the third trophic level. Small bird is eaten by an owl, a top consumer that occupies fourth trophic level.
Recessive traits are masked by dominant traits and are therefore rarely observed.
Proteins, lipids (fats), carbohydrates (sugars) and nucleic acids (DNA and RNA).
this might help as well - http://classroom.synonym.com/four-organic-molecules-found-living-things-22326.html
