The life cycle Tadpole development This process varies according to the species and even the environment in which the animal is found, and can last between two and four years. And once the tadpole matures, the thyroid gland goes into action by producing a hormone that activates growth. #cycle #ciclos #estagio #stages #week #desenvolvimento #frog #sapos #aquarist #cachoeira #natureza #nature #cachoeirinha | Natural Fish Aquarium

Watch this beautiful time-lapse video of a tadpole's growth to frog. The process of transformation by which animals undergo extreme and rapid physical changes sometime after birth is called metamorphosis. (Video: victorharold/Instagram) #LearningNeverStops #MondayThoughts #AnimalVideo #Nature | India Today

At 5 weeks of pregnancy, your baby is still called an embryo, but development is moving at an astonishing speed. The embryo is about the size of a sesame seed and has a curved, tadpole-like shape. One of the most significant milestones this week is the early formation of the heart, which begins to develop as a simple tube and may start beating by the end of the week, although it’s usually too early to hear it on ultrasound. The neural tube continues to close and expand, forming the foundations o