Describe brevemente cada una de las siguientes adaptaciones y explica el significado de cada una: columna vertebral, mandíbulas, extremidades, huevo amniótico, plumas, placenta

What type of specimens where you able to see under each of the microscopes in the microscope activity

An example of internal feedback working to maintain homeostasis is your a. decreased respiration rate when you are studying b. decreased heart rate when you are sad c. increased respiration rate when your muscles need more oxygen d. increased heart rate when your lungs need more oxygen

Which of the following describes a boom period? a. as one population increases, another population decreases. b. as one population increases, the other population also increases. c. as one population decreases, another population increases. d. as one population decreases, another population also decreases