The Layer of Soil Rich in Organic Material but Is

question 44

Multiple Choice

The layer of soil rich in organic material but is subject to leaching is ___ or the ___.

• A)topsoil…A- horizon
• B)subsoil…B- horizon.
• C)weathered parent material…C- horizon.
• D)litter…O- horizon.

---

Definitions:

Mitosis

Mitosis is a type of cell division that results in two daughter cells each having the same number and kind of chromosomes as the parent nucleus, typical of ordinary tissue growth.

Cleavage

A cellular division process in early animal embryo development, where the zygote undergoes multiple cell divisions without growth, leading to a multicellular stage.

Karyotype

The number and appearance of chromosomes in the nucleus of an eukaryotic cell. The term is also used for the complete set of chromosomes in a species or an individual organism.

G₂ Phase

A phase in the cell cycle where a cell has completed DNA synthesis and enters a period of growth and preparation for mitosis.