Species and genus. hope that helps
Answer:
Cuttings: Pieces of stem or root cut from a plant to produce new plants
Herbaceous cutting: type of cutting taken from plants that never form a woody stem
Leaf cutting
:a cutting that includes a short section of stem with a leaf attached
Stem cutting
: a cutting made from short pieces of thickened leafless stems containing at least one node.
Air layering
: a type of layering in which the stem is girdled, the cut is dusted in rooting hormone, and the dusted cut is covered with moss
B) they stay the same for many generations
The body wall<span> of a star fish is made up of a thin cuticle, an epidermis with a single layer of cells, a thick dermis composed of connective tissue and a thin coelomic myoepithelial layer, which allows the longitudinal and circular musculature.</span>