What is the hard, beak-like structure found in the mouths of birds, used for grasping and manipulating food?
Beak
What is the term for the specialized organ in female mammals where fertilized eggs implant and develop during pregnancy?
Uterus
What is the muscular organ responsible for pumping blood throughout the circulatory system in mammals?
Heart
What is the strong, fibrous tissue that connects muscles to bones in mammals?
Tendon
What is the term for the protective behavior where a mother mammal cares for and nurtures her offspring?
Nurture
What is the specialized organ in mammals that nourishes and protects the developing fetus during pregnancy?
Placenta
What is the hard, protective layer surrounding the developing embryo in bird eggs?
Shell
What is the term for the network of air sacs and tubes in birds that allows for efficient respiratory exchange?
Airsacs
What is the flexible, cartilaginous structure in sharks that aids in buoyancy and balance during swimming?
Fin
What is the word for the melodious sounds that birds make, often used for communication or attracting mates?
Sing
What is the protective, keratinized covering on the outer surface of reptiles, providing a waterproof barrier?
Scales
What is the name for the reproductive process in sharks where fertilization occurs internally, and pups develop inside the mother's body?
Ovoviviparity
What is the organ in sharks responsible for excreting waste and regulating salt balance in the body?
Kidney
What is the name of the fin on the dorsal side of fish that helps stabilize and steer their bodies?
Dorsal Fin
What is the term for the instinctive movement of fish to avoid predators by swiftly changing direction?
Dodge
What is the process through which amphibians undergo a transformation from aquatic larvae to terrestrial adults?
Metamorphosis
What is the name of the baby mammal before it is born?
Fetus
What is the digestive organ in fish where most nutrient absorption takes place before reaching the intestine?
Stomach
What is the limbless, elongated body part in reptiles and some amphibians, used for crawling or slithering?
Tail
What is the action in reptiles and some amphibians where they seek warmth from an external source, such as the sun?
Bask
What is the sensory organ in sharks that detects electrical fields and helps them locate prey in the water?
Ampullae
What is the term for the fluid that nourishes and protects the developing fetus in the uterus of a mammal?
Amniotic fluid
What is the elongated, flexible structure in reptiles and amphibians used for capturing and manipulating prey?
Tongue
What is the term for the large flight muscles in birds that power their wings during flight?
Pectoralis
What is the term for the instinctive, rhythmic sucking behavior in young mammals, often observed during nursing?
Suckle