Life cycle of a bird quiz diagram online, life cycle of a bird worksheet, bird life cycle stages. This is an interactive diagram for students to rearrange the different stages in the life cycle of a bird from egg to hatchling to adult bird. This process applies to birds of different types. All birds begin by laying an egg which is incubated over a period of time. During the incubation period, the embryo grows and transforms into a young bird. At the end of this phase, a young bird hatches out of the egg. It lives in the nest and is fed by the parents until it attains maturity, feathers and is able to fly. This is a simple diagram of the main stages. | Multiple choice quiz featuring biology test questions for students to review biology topics. Click on each question and select the correct answer below and submit. Feedback is instant and at the end you will get your score. Biology quiz for 2nd, 3rd, 4th, 5th, 6th, 7th grades to review. Focus: Online science Trivia | science quiz questions | Biology Test | Biology questions.