A) To sleep better B) To look taller C) To show off to other birds D) To conserve body heat
A) Tensing their muscles constantly B) Using a locking mechanism in their joints C) Resting completely on the ground D) Keeping the other leg flexed
A) Dense forests B) Deserts C) Shallow lakes and lagoons D) Mountainous regions
A) Pink B) Yellow C) Green D) Blue
A) Sunlight exposure B) Genetic mutations C) Their environment D) Carotenoid pigments in their diet
A) Herbivores B) Filter feeders C) Scavengers D) Carnivores
A) 6 to 7 feet B) 3 to 5 feet C) 8 to 10 feet D) 1 to 2 feet
A) Color of their feathers B) Food availability C) Weather conditions only D) Male-female ratios
A) Habitat loss B) Excessive mating C) Overpopulation D) Natural predators |