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