Does biology or the environment affect human development more? explain

During the first month of development, how many layers of cells make up the embryo? a. 1 b. 2 c. 3 d. 4

You notice a co-worker, john, putting pens and index cards into his bag. when he sees you watching, he shrugs his shoulders and says, "what? this is no big deal; it's just a few office supplies. the company won't even miss them, and besides, everybody themselves to the supply cabinet." john's response shows he does not demonstrate which workplace attitude? 1. dependability 2.punctuality 3.self-confidence 4.honesty

Checklists and rating scales can be used to monitor children’s developmental progress and to diagnose developmental delays. true false