Our sense of taste is much less sensitive than our sense of hearing

In lecture Dr. Heyman made all of the following points about language development EXCEPT?

a. it is much easier to sound like a native speaker when you learn a second language while young b. children often understand words that they don't produce c. most people who learn a second language as adults take about 10 years of immersion in a second language to make adult-like grammaticality judgments d. errors of overextension are easier to detect than errors of underextension

What is the term for a developing child from eight weeks after conception until birth?

a) Embryo b) Baby c) Fetus d) Zygote