1. the first and shortest stage of prenatal development is where the the zygote begins to grow in complexity during the first two weeks of conception. 2. the stage lasts from 2 - 8 weeks following fertilization, when major organs and basic anatomy begin to develop. 3. the stage lasts from 8 weeks until birth and involved the differentiation of major organs.
Answers: 2
Biology, 22.06.2019 08:10, viktoria1198zz
What is the next step in the process after a substrate enters the active site of an enzyme
Answers: 1
1. the first and shortest stage of prenatal development is where the the zygote begins to grow in c...
History, 18.06.2020 02:57
Mathematics, 18.06.2020 02:57
History, 18.06.2020 02:57