71.   Airway Does the animal have an open airway, the passage the animal breathes through.

72.   All animals have to deal with drought, adapt and rebuild their populations, Perez said, and quail are no different.

73.   Burkholder has discovered that the microscopic animal has an arsenal of disguises and life styles that make it extremely difficult to track through its watery environment.

74.   But farm animals have a much higher density of cells than these bioreactors and could be harnessed, through cloning and gene modification, to produce the same proteins.

75.   But do animals have souls?

76.   But do animals have the same standing we do?

77.   But every animal has its day.

78.   But first, Reiss said, scientists had to decide if animals had minds.

79.   But grand buildings can be undermined by small animals gnawing into their foundations, and this animal has especially sharp teeth.

80.   But the animals have a keen sense of smell that can penetrate even the strongest barriers to food.