Earthworms are important deposit feeders that help form and enrich soil, and earth stands for soil, dust or ground. Given these facts, an earthworm is an important among the following options: - allow growth - cleaner for earth - Plant reproduction - more abundant - parasite - Something that makes plants green - predator - deposit feeder for earth
deposit feeder for earth

Competition may cause animals to fight towards members of their own species, and species is a property of genus, genus is a property of family, etc. Given these facts, competition may cause animals to fight towards members in the same what among the following options: - bloodline - existence - biome - planet - clams - Mammal - abalone - genus
genus

Chromosomes are coiled structures made of DNA and proteins, and sex chromosomes determine gender. Given these facts, the determination of what is coiled structures made of DNA and proteins among the following options: - PDAs - ligt - complex - gender - improve - SO2 - three - alleles
gender