A hexahedron (plural: hexahedra) is any polyhedron with six faces. A cube, for example, is a regular hexahedron with all its faces square, and three squares around each vertex. There are seven topologically distinct convex hexahedra, one of which exists in two mirror image forms.
Some bacteria that can help the environment are called decomposers. They are nature's recyclers! They return basic chemicals to the environment for living things to reuse! For example, the leaves of many trees die in the Autumn and drop to the ground.ome bacteria that can help the environment are called decomposers. They are nature's recyclers! They return basic chemicals to the environment for living things to reuse! For example, the leaves of many trees die in the Autumn and drop to the ground.
A bacteria cell is an organism. Humans have eukaryotic cells and are therefore in the Eukarya Domain. Domains are large groupings that include multiple kingdoms. Eukarya are all the eukaryotes, including animals, plants, fungi, and protists.JJ's*Mommy Â· 6 years ago. Thumbs up. 0.Thumbs down.0.oth a bacteria cell or an oak leaf is an organism Humans belong to animals In biology, an organism is any living system (such as animal, plant, fungus, or micro-organism).