The female external genitalia are collectively called the vulva.
a. true
b. false

The correct answer is A. True

Explanation:

The external genitalia or vulva includes different organs and structures such as the inner lips, the mons pubis, the urinary meatus, among others that are external rather than internal as it occurs in the case of the uterus, the cervix or the ovaries. All of these structures are linked mainly to reproduction or the urinary system in the case of the urinary meatus. There, it is true the female external genitalia is collectively called the vulva as all the organs and structures in this zone are commonly known by this name.

this is math not biology xd

unicellular organisms, like bacteria, are able to perform all life functions within one single cell. multicellular organisms need many different types of cells to carry out the same life processes. each of these special types of cells has a different structure that it perform a specific function.