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CHAPTER ONE QUESTIONS ABOUT
CHAPTER TWO ANIMAL SPECIES
CHAPTER THREE THE GENETICS
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ability action potentials activity adaptations adult advantage allele animal species auditory axon beak bees behavior patterns biological birds black-headed gull brain capture CHAPTER chicks Color copulation cortex courtship cues Darwin's finches detect display E. O. Wilson ecological effect eggs energy environment environmental enzymes evolution evolutionary evolved example favor feeding female Figure finches flies foraging gametes ganglion ganglion cell genes genetic genotype green heron gull habitat havior highly hive honeybee human behavior hunting incubation individuals infant innate input insects kittiwake larva laughing gull learning male mate mechanisms membrane moth muscles natural selection nerve cells nervous system nest neural neurons offspring perception Photograph physiological population possible predators prey produce rats receptors relatively release reproductive success response selection pressures sensory sexual sexual reproduction signal social song sounds spider stimuli subesophageal ganglion territory tion traits visual wasp white-crowned white-crowned sparrow young