Examlex
Tropical rain forests are not good for clearing to grow crops or animals,primarily because they are low in which of the following?
Ova
The female reproductive cells, or eggs, which are capable of developing into a new organism when fertilized by a sperm cell.
Oocytes
Immature eggs found in the ovaries of females that, upon maturation, can undergo ovulation and potentially fertilization.
Endometrium
The mucous membrane lining the interior of the uterus, which thickens during the menstrual cycle in preparation for possible implantation of an embryo.
Blastocyst
An early stage of embryonic development, a structure formed in the early development of mammals, consisting of a sphere of cells surrounding an inner fluid-filled cavity.
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