Secondary Research Is Less Important Than Primary Research

question 29

True/False

Secondary research is less important than primary research.

---

Definitions:

Outer Cells

In developmental biology, refers to the cells on the outer layer of a developing embryo, which contribute to the formation of the placenta and other structures.

Embryo

An early stage of development in multicellular organisms after fertilization and before becoming a fetus, characterized by rapid cell division and differentiation.

Prenatal Development

The unfolding of growth and developmental stages within the womb, from the inception of pregnancy to the act of giving birth.

Zygote

The first cell created from the union of a sperm and an egg cell, signifying the beginning phase of development of an embryo.